Questions Views
Advantage of AVL tree over BST?
What is worst time complexity of binary search tree?
What is AVL trree?
What is Full binary tree?
What is complete binary tree?
List the time complexity of different searching algorithm .
List the time complexity of different type of sorting.
What is time complexity in Linked list?
List the different time complexity of array operations.
What is Complexity in data structure?
Write a function to perform the deletion on circular Queue.
How traverse the Circular Queue?
What is time complexity of insertion new node at end in doubly linked list?
Write a code to find length of circular linked list.
Write code to delete the item at end in circular linked list.
What is insertion at end in circular linked list, write code for that.
How we perform the binary search on array?
What is In-order traversal of binary search tree?
What is postorder traversal of Binary search tree?
What is preorder traversal of Binary search tree?
Which data structure is used to show Hierarchical data model
What are the Applications of Multilinked Structures?
What is the difference between NULL and VOID?
List Some Applications of Multi-linked Structures?
What is the advantage of selection sort?
What are the advantage of binary search over linear search?
In what scenario, Binary Search can be used?
What is binary search ?
What is linear search?
List the application of Graph data structure.
Which data structure is used in BFS and DFS algorithm?
What is Graph data structure?
What are the application of Tree data structure ?
List the application of tree data structure.
What is B and B+ tree, tell comparison between them
Difference between B tree and B+ tree?
What is B tree , state some property of B tree.
How can AVL Tree be useful in all the operations as compared to Binary search tree?
Is Queue is used to implement the Breadth first search?
Why we use linked list over array?
Insertion at starting pont in array or linked list, which one is better?
Which one take less time? Deletion of first element in array or deleteion of first node in linked lst.
Array or linked list, in which of those we get the i'th index fastly?
Which data structure is used to implement LIFO(last in first out)
Which data structure is used in First come first serve CPU scheduling?
Which data structure we use to solve the postfix expression?
Which data structure suits the most in the tree construction?
Stack is implemented by which data structure?
What is the maximum number of nodes in a binary tree of height k?
What is Binary search tree?
What is Binary Tree?
What is Tree data structure?
How many type of tree dat structure are possible ?
List the different types of tree dat structure.
Which data structure is used to implement the DFS?
Which data structure is used to implement the BFS?
Which data structure is used to implement the recursion?
How many Queue we need to implement the priority queue?
What is the minimum number of queues that can be used to implement a priority queue?
What are the drawbacks of array implementation of Queue?
What is dequeue in Queue data structure ?
What is linear Queue data structure?
What is the application of the Queue.
List the type of the Queue Data structure.
Whta is the drawback of the Queue implemented by the Array?
List the application of the Queue dat structure ?
What is queue data structure?
Write a syntax to create a circular linked list.
Write a syntax to create a doubly linked list.
Write syntax to create a singly linked list.
Are linked lists considered linear or non-linear data structures?
What is linked list data structure?
How are the elements of a 2D array are stored in the memory?
What is multi-dimensional array
How to reference all the elements in a one-dimension array?
What is Array ?
Which notations are used in Evaluation of Arithmetic Expressions using prefix and postfix forms?
Write postfix expression of this (A + B) * (C - D)
What is postfix expression?
Write the steps involved in the insertion and deletion of an element in the stack.
Difference between Push and pop operation in stack?
What is peek operation on stack?
What is pop operation in stack?
What is push operation in stack?
What is stack overflow condition?
Write the stack operation.
What are the operations which we perform on the stack?
List the area of applications where stack data structure can be used?
What is the application of the stack?
What do you understand by stack data structure?
Which data structure are used to perform recursion?
List the data structures which are used in RDBMS, Network Data Modal, and Hierarchical Data Model.
What is the difference between file structure and storage structure?
List the area of applications of Data Structure.
What is non-linear data structure?
What is linear data structure?
Describe the type of the data structure.
What do you understand by Data Structure?
What is mutex in C++ ?
How multi threading works in C++ ?
What is thread in C++ ?
Is C++ supports multi threading concept?
How handle Exception in C++ ?
What is divide by zero error? how handle in C++ ?
What is catch in C++ ?
What is try in C++ ?
Is C++ support exception handling ?
What is exception handling in C++?
What is the features of the OOPs in C++ ?
Function overriding is example of which type of polymorphism?
What is the use of the scope resolution operator in C++?
How make function in classes in C++ ?
print hello world without using semicolon in C++
What is type casting in C++?
What is storage class specifier in C++?
What is typedef in C++?
What is enum in C++?
Define lambda expression in C++
What do you understand by 'this' pointer?
What is super keyword in C++?
What is the scope of the variable in C++ ?
How we define the function outside the class ?
What is destructor and how we make it, in C++?
What is copy constructor in C++?
Define parametrized constructor in C++
What is Default constructor in C++?
How many types of constructor are in C++?
What do you understand by constructor in C++?
Define vector in C++
What is identifier in C++
Define abstraction in C++
Define Scope resolution operator in C++
Define SRO in C++
What is the Inline function in C++?
What do you understand by friend function in C++ language?
What is the Access modifier in C++ ?
What is the virtual destructor in C++?
What is class template in C++ ?
What is pure virtual function in C++ ?
What is 'this' pointer in C++ ?
What is the purpose of the 'delete' operator in C++?
Define Constructor in C++
What is virtual inheritance in C++?
What is an overflow error?
Define how Dynamic memory allocation in C++?
Define new and delete in C++
It is possible to create a unnamed class? how make object of such class?
What is unnamed class in C++?
What is destructor in C++
When should we use multiple inheritance?
Define final in C++
Define virtual class in C++
Define virtual function in C++
What is the friend function in C++?
What are the methods of exporting a function from a DLL?
What is difference between malloc() and new() ?
What is difference between an array and the list in C++ ?
What is Object Oriented Programming (OOP)?
What is the access specifier in C++?
What is the full form of the STL in C++
How delete[] is different from delete?
What is the std in C++?
Which type of operator are permitted on pointer?
Who create the C++?
What is Token in C++ programming language?
What is name space in C++?
What is final in C++ ?
What is virtual function in C++ ?
What do you understand the polymorphism in C++ programming language?
What is the difference between function overloading and function overriding in C++ programming language?
What is the function overriding in C++
What are the types of polymorphism in C++ ?
How many types of inheritance are possible in C++?
What is the polymorphism in C++?
What is data hiding in C++ programming language?
What is the abstraction in C++ programming language?
What is Encapsulation in C++ programming language?
What is Hierarchical inheritance in C++ programmig language?
What is multiple Inheritance in C++?
What is multiple inheritance in C++?
What is single inheritance in C++?
What is inheritance in C++?
Is C language code run in C++?
Difference between data member and data method in C++
How declare the object in C++?
Difference between Structure and Class ?
How we declare the class in C++?
What are the various OOPs concepts in C++?
What is a class?
What is the difference between reference and pointer?
What is the difference between C and C++ language?
Is C++ is procedural language?
What are the advantage of the C++ language
What is C++ language?
Write a program to count the sexy prime in between the two number range.
print first 10 prime number
Write a program to titled the given string
Write a program to convert the decimal number to its octal equivalent
Write a program to convert the decimal number to its binary equivalent
Write a program to print the star triangle
Write a program to make the pascal triangle
Write a program to find the HCF of two number
Write a program to find the LCM of the two number
Write a program to display the Fibonacci series
Write a program to print the following : 1 12 123 1234 12345
Generate random number in between 0 to 10 in C langauge
What are the ways to a null pointer can use in C programming language?
What is the explanation for modular programming?
Check calindrome string in C language
Check palindrome string in C language
Check maximum between two number using loop.
Write a program to find the maximum of two number without using the if statement
Write a program to convert the lower case alphabet to upper case alphabet
Write a program to change the upper case letter to lower case letter
Write a program to print "HelLo world" without using the semicolon.
Write a program to check alphabet is in UPPER case or not
Write a program to check alphabet is in lower case or not?
Write a program to check given char is alphabet or not.
Write a program to check number is prime or not
Factorial by the recursion in C language ?
Write a program to find the factorial of the number.
Write a program to show the char by using the ASCII value.
Write a program to Print ASCII value of any character in C language.
Write a program to swap two variable without use third variable.
In which header file the rand() function is define?
Describe dynamic data structure in C programming language?
How we generate the random number in C language?
What are the modifiers available in C programming language?
How much difference in between the ASCII value of UPPER case letter and lower case letter?
Where we use the continue statement? What if we placed continue statement in if condition body?
What is recursion in C language?
It is possible to create our own header file in C language?
What is the explanation for cyclic nature of data types in C?
What is the difference between = and == in C language?
Describe Wild Pointers in C?
What is return statement in C language?
What is exit(0) in C language?
What is the difference between abs() and fabs() functions?
Describe static function with its usage?
We call the reserved word as ?
What is the process to create increment and decrements stament in C?
What is the description for syntax errors?
Difference between Entry control loop and Exit control loop in C language?
What is Exit control loop in C language?
What is Entry control loop in C language?
What is the DEFINE in C language?
What is the difference between %d and %c in C language?
What is the difference between %c and %s in C language?
What is the string in C language?
Write a program to print “hello world” without using a semicolon?
What is the difference between a structure and a Union?
What is the difference between the Array and the structure?
What is the difference between the array and the pointers?
Difference between malloc() and calloc() functions?
What is the use of the %u in the C language?
What is a pointer on a pointer in C programming language?
What is the difference between Pass by value and Pass by reference?
What is the difference between the Void and Null Pointer?
What is a Dangling Pointer in C?
If we put any positive number in the condition of loop or any condition statement then what happen?
What is the difference between while(0) and while(1) ?
What is the difference between --a and a-- ?
What is the difference between ++a and a++?
What is the ASCII value of the lower case Alphabet?
What is ASCII value of Upper case letter ?
What is the Dynamic memory allocation?
Difference between static and Dynamic memory allocation?
What is the static and Dynamic memory allocation?
What is the memory leak in C language?
What is the difference between Static and global variable in C language?
What are the global variable in C language?
What is local variable?
What is the static variable in C language?
How many keyword we have in C language?
What are the keywords in C language? and how many keywords we have in C language?
How we store the value greater than the 32768 in the integer variable?
What is the range of the char data type?
To store any single char, how much space it need?
If the C program can not have the main() function then what happens?
How i take only positive integer from the user input?
What is the range of the integer data type in C language?
What are the basic data type in C language?
What if we execute the C language code without the main() function?
What if we compile the C language code without the main() function?
What if one header file is included twice in C language?
How we take an input of string with white space?
Which function we use to take a user define value in C language?
What is the include in C language?
What is the use of header file in C language?
Why C language is High level language?
What is High level language or low level language?
What if You compile the C language code?
Is C language is platform Dependent?
What is the Key Features of C language?
How fetch the data from the table which do not have duplicate data.
How fetch top 5 record of the table?
How find the MAX and Second max value from the database table?
How we get the maximum value of the column of the table?
If we have a two table of same structure and same column and we want to fetch common record from both the table then what we do?
What is DROP command in SQL?
What is the difference between the Truncate, DROP, delete?
What is VIEW in SQL?
What is DML in DBMS?
What is DCL in DBMS?
What is DDL in DBMS?
Different type of language in the DBMS?
What is RENAME command in SQL?
How we change the name of the table in the SQL?
How we change the name of the column of the table in SQL?
How we delete the existing column from the table?
Write query to add new column in the table.
What is the use of ALTER command?
What the work of the GROUP clause?
How many clause we have in SQL?
How we insert the data inside the table?
What is the use of the select statement in the SQL?
What is SQL?
If we delete the primary of one table then what about the foreign key which refer to that primary key?
We any Non prime attribute defines the Another non prime attribute of the same table then this dependency is called as?
If there is only two column or 2 attribute in the table then table is in which Normal form?
What is De-normalization?
If there is no transitive dependency in the table then table is in which normal form?
In there is no partial dependency in the table then table is in which Normal Form?
In which Normal Form, the chance of data lose is their?
What is the purpose of the Normalization in database?
What is the Difference between Primary key and foreign Key?
What is the Difference between Primary key and Unique key?
What is Unique Key?
What is Foreign Key?
What is Sub-ordinate Key?
What is Alternate key?
Difference between candidate key and primary key?
What is primary key?
Difference between Superkey and candidate key?
What is candidate Key?
What is the super key?
What do you understand by the key in database?
What we called the attribute which is not part of the candidate key?
What we called the attribute which is part of the candidate key?
What is prime and non attribute in table attribute?
Difference between prime and non prime attribute?
What is Transitive dependency?
What is partial dependency in database table?
What is Non prime attribute?
What is prime attribute?
What do you understand by BCNF?
What is the full form of BCNF?
What is third normal form?
What is second normal form?
What is first normal form?
How many type of Normalization is possible?
What we do to solve the Anomaly problem?
What is deletion anomaly?
What is Insertion anomaly?
What is Anomaly problem?
What is Normalization in Database?
first function in MYSQL is done by which function?
What are the technical specifications of MySQL?
In which language MySQL has been written?
How can you change the password of a MySQL user?
What is the function of mysqldump?
How we can DROP the View in MySQL ?
How we can create a View in MySQL?
What is view?
What is meant by decimal (5,2)?
What is an index? How can an index be declared in MySQL?
Define ALTER commands in MySQL ?
How we remove column from the table?
How we can add a new column in the table ?
What is the purpose of using a HEAP table?
How can you retrieve a portion of any column value by using a select query?
How can you change the name of any existing table by using the SQL statement?
Which MySQL function is used to concatenate string?
Which statement is used in a select query for partial matching?
What is the difference between NOW() and CURRENT_DATE()?
How can you filter the duplicate data while retrieving records from the table?
What is the difference between mysql_fetch_array() and mysql_fetch_objec() ?
What is mysql_fetch_object ?
What is mysql_fetch_array() ?
Difference between CHAR and VARCHAR in MySQL ?
What is the use of CHAR and VARCHAR in MySQL?
Difference between Primary key and foreign Key ?
What is Foreign Key?
What is primary Key?
What are the purposes of using ENUM and SET data types?
What is the function of myisamchk?
What are the disadvantage of MySQL ?
What are the advantage of MySQL ?
What are the Features of MySQL ?
What is the default port number for MySql ?
How we can find the union of two sets in Python ?
Find the Intersection of two set in Python ?
Why we call list as a mutable in Python ?
Find all even number from the list using filter() function in Python ?
What is the syntax of the filter function in Python ?
Write a program to make a factorial of the given number in Python ?
Is python numpy better than lists?
What is map() function in Python ?
What does an object() do?
Does python make use of access specifiers?
How do you do data abstraction in Python?
Define encapsulation in Python?
What do you understand by polymorphism in Python ?
Does python support multiple inheritance?
How we can create a class in Python ?
How we can install the new module in python ?
How we can import the module in Python ?
Does Python have OOps concepts?
What is the difference between append() and insert() function of list?
How do you insert a new item in list at required index position in Python ?
How we can add new item in list at the end ?
How you can reverse the items in the list in Python ?
What is the difference between sort() and sorted() function in Python ?
Sort the string and convert it into the list in Python.
How we can sort the list in Python ?
How we can add two string in Python ?
How we can find the length of the set data type in Python ?
What is the purpose of using the 'not in' in Python ?
What is the purpose of the 'is' in python ?
What is the purpose of the 'in' in Python ?
How we print the statement in Python ?
What function of Python we use to make every first alphabet of each word in string will be of Upper case ?
How do you convert the string in all uppercase in Python ?
How do you convert the string in all lowercase ?
How we can capitalized first word of the string in Python ?
Write a program to swap two variable in one line of code in Python.
Swap two number without using third variable in Python ?
Swap two variable value using third variable in Python ?
How we write a command in Python ?
How we can reverse the string in Python in one line ?
What does [::-1] do?
What is __init__ in python?
Is indentation required in python?
What Happen if we pass only one argument in complex() function ?
Minimum number of argument pass in complex number is ?
How we make a complex number in Python ?
What is Type conversion in Python ?
Is python case sensitive?
Name some commonly used built-in modules in Python?
What is PYTHONPATH?
What type of language is python? Programming or scripting?
Explain what is Dogpile effect? How can you prevent this effect?
Explain how you can access sessions in Flask?
Explain what is the common way for the Flask script to work?
Explain what is Flask & its benefits?
Mention what is the difference between Django, Pyramid, and Flask?
Write a program to find the random number between 0 to 10 .
How we can generate random integer number between two range ?
How we can generate random number between 0 and 1 ?
How we can delete the file in Python ?
Mention what are the rules for local and global variables in Python?
What is module and package in Python?
What is the difference between Xrange and range?
What is negative index in Python ?
How type of variable is decided in Python ?
What is unittest in Python?
Why lambda forms in python does not have statements?
What do you know about the lambda function in Python ?
What is namespace in Python ?
What do you understand by the canvas Programming ?
What is the Difference between the List and the Array in Python ?
What is the default data type return by the input() function ?
How Python is Interpretor ?
What is pickling and unpickling?
What are the different way to create a Empty Numpy array in Python ?
What is Numpy in Python ?
How we can find the occurrence of the item in list in Python ?
How we make a dictionary using two list in Python ?
How we can convert a list to tuple in Python ?
How we can convert the List to Sets in Python ?
How we can convert the list to string in Python ?
What is the work of the yield keyword in Python ?
Why and when do you use Generators in Python?
Write a command to debug the Python program
List down some of the PDB commands for Debugging Python Programs?
Which Python function is used to make a number as a string ?
What is the purpose of Docstrings in Python?
What are the different methods to copy an object in Python?
What is the work of the self keyword in Python ?
How the ternary operator works in Python ?
What are class or static variables in Python Programming?
What is the use of the zip() function in Python ?
How we can access the global variable in Python ?
What is the use of the global() function in Python ?
What do you understand by Python Enumerate ?
How do you write a Conditional Expression in Python?
What is the syntax for List Comprehension in Python
How do you check the presence of a Key in a Dictionary?
How we van delete the items from the Dictionary in Python ?
What are the Decorators in Python ?
How do you add elements to a Dictionary in Python?
How do you traverse through a Dictionary object in Python?
How we can read the dictionary in Python ?
How we can create a dictionary in Python ?
What is the Closures in Python?
What is the Python Generator ?
What is the difference between an Iterator and Iterable?
What do you understand by Python Iterators ?
Why we use the Finally block in Python
What is Exception Handling in Python programming language ?
How we Handle the exception in Python ?
What is error and exception in Python ?
What is composition in Python ?
What Syntax we use for inheritance the class in python ?
What is Inheritance in Python programming language ?
How to assign values for the class attributes at Runtime?
What is Method and Attribute in Python Class ?
What is Attribute in Python Class
What is the Difference between in Function and method ?
What is Class in Python ?
Is Python supports oops ?
Is Python list a Linked List in C ?
What is the use of the Dictionary in Python ?
What is set data type in Python ?
What is the set object in Python?
What is Dictionary in Python programming language ?
Which type in Python are the collection of items ?
What is the Tuple data type in Python ?
How does Python manage the Memory ?
How is Python Thread Safe ?
What is GIL in Python Language?
Which package is the fastest form of Python?
What makes the CPython different from the Python?
What does the title() method do in Python?
How we can take all item in list and make the string in Python ?
What is the work of the join() function in Python ?
How we can make list by the string in Python ?
How do we use the split() function in Python ?
Why we use the split() function in Python
What is the use of the title() function in Python ?
How we can remove the white space from the right portion of the string ?
How we can remove the white space from the left portion of the string ?
What is whitespace in Python?
What is lstrip() in python ?
What is rstrip() in Python?
How we can find the ASCII value of Any character in Python ?
What is the use of the ord() function in Python ?
What does the chr() Function do in Python?
How we can find the length of the list in Python ?
How we find the length of the given string in Python ?
What the len() function do in Python ?
What is the difference between the continue and pass statement in python ?
At the time of running loop, we want to stop the loop at some condition then How we can do that in python ?
What is the purpose of the break statement in Python ?
What is the purpose of the end in Python ?
What does the __ name __ do in Python?
How we can make a main() function in Python programing language ?
Is there any main() function in Python ?
How we can pass a variable number of arguments in Function calling in Python ?
What does the **Kwargs do in Python?
What does the *args do in python?
What is the purpose of the id() function in Python ?
What is the Use of the Continue Statement in Python ?
Is it mandatory for a Python Function to return a Value?
What is the return value of the Trunc() Function in Python ?
What is call by Reference in Python ?
What is Call by value in Python ?
What is the return keyword used for in Python?
What is a Function call or a callable object in Python?
What is the Syntax to define the Function in Python ?
Which keyword are used to define a Function in Python ?
How many types of Function are in Python ?
What is Function in Python Programming ?
What is DocString in Python ?
What is the Index in Python?
What do you understand by the Mutable Data type in Python ?
What do you understand by the Immutable data type in Python ?
Is String Mutable or Immutable in Python ?
What is %S in Python ?
What is Slicing in Python ?
What is a String in Python?
What are the optional statements possible inside a Try-Except block in Python?
What is the Syntax of the range() function in Python ?
What is a Built-In Function that python uses to iterate over a number sequence?
Is there a Switch or Case statement in Python?
Is following Python code gives an error ? l=[1,2,3,4] print(l[10:])
Write a reg expression that confirms an Email Id using the Python Regular Expression module 'Re' ?
What is the Difference between the lambda and the Def in python?
How does Python handle the Memory Management ?
What is the main difference in the List and the Tuple data type in Python ?
When and where the Python Decorator used ?
How we find a bugs or perform static analysis in a Python based Application?
What are the Mutable Data type in python ?
What are the immutable built-in datatypes of Python?
What are the Built-In Data types available in Python?
What The Process To Get The Home Directory Using '~' In Python?
If the program requires no action but requires it syntactically then what statement we use in Python ?
What do you mean by PEP 8?
What is Python? and what are the benefits of Using Python ?
How we can add custom JS code with Spring Boot?
What are the Starter Project Options that Spring Boot provides ,give some examples ?
Difference between @SpringBootApplication vs @EnableAutoConfiguration annotations in Spring Boot ?
What is the difference between the @ComponentScan and @EnableAutoConfiguration annotations in Spring Boot?
How do you Change tomcat or jetty HTTP port?
Spring Boot Actuator?
What are Profiles in spring boot?
What is spring-boot-devtools ?
What is the use of @SpringBootApplication annotation?
How to create an executable jar using spring boot?
How do you change JDK version in spring boot?
What is spring-boot-starter-web?
What is spring-boot-starter-parent?
What is Spring Boot Starter?
What are the use of @EnableAutoConfiguration annotation?
What are the advantages of spring boot application?
What is Spring Boot?
How we can Disable all Database related auto configuration in Spring Boot?
How to disable specific auto-configuration in spring boot?
What is Auto Configuration in Spring?
Spring Boot vs Spring MVC vs Spring
कौन सी महिला राज्य पाल दो मुख्यमंत्री को एक ही दिन मे शपथ दिलाई ?
कौन सी महिला राज्य पाल दो मुख्यमंत्री को एक ही दिन मे शपथ दिलाई ?
नरेंद्र मोदी कितने बार मुख्यमंत्री रहें है?
भारत के प्रधानमंत्री का पूरा नाम क्या है?
छत्तीसगढ़ के मुख्यमंत्री कौन हैं?
What are Features of Spring Cloud ?
What Spring Cloud?
Will J2SE applications run on J2ME?If Not Why?.
Will J2ME applications run on J2SE?
What is Class File Verification?
What is the name of 10 classes of J2SE which are not used in J2ME?.
Explain K Virtual Machine and its architecture?
What hardware and software requirements of a device that intends to implement the MIDP?.
What is KVM?.
What is JDBC for CDC/FP ?
What is optional package?.
What is Mobitex?.
What is MIDP-NG?.
What is MExE?.
What is LCDUI?.
What are basics Software\'s for J2ME applications?.
what is the Limitations with J2ME explain?.
what is the Differences Between Core Java and Java for J2ME?.
what type of JAR Files is uses in j2me?.
What is J2ME Architecture?.
What is WTP ?.
What is WSP and What is WTLS ?.
What is WMLScript ?.
What is WMA and What is WML ?.
What is WDP ?.
What is W-CDMA ?.
What is WAP and What is WAP Gateway ?.
What is WAE ?.
What is VLR ?.
What is UDDI and What is UMTS ?.
What is Tomcat ?.
What is Telematics ?.
What is TDMA ?.
What is T9 ?.
What is SOAP and What is SSL ?.
What is SIM and What is SMS ?
What is SDK?.
What is RMS ?.
What is RMI Profile ?.
What is RMI OP ?.
What is RMI ?.
What is PSTN ?
What is Provisioning ?
What is difference between j2ee, j2me & j2se?.
What is profile ?.
What is preverification ?.
What is POSE and What is PRC ?.
What is PNG?.
What is PersonalJava ?.
What is Personal Profile ?.
What is PDCP?.
What is PDAP ?.
What is PCS ?.
What is optional package ?.
What is Obfuscation ?.
What is Modulation ?.
What is JCP ?.
What is Java Card ?.
What is 3GPP?.
What is 3G ?.
What is i-mode ?.
What is iDEN?.
What is IDE ?.
What is IDE?.
What is i-appli?.
What is HTTPS
What is HLR?.
What is GSM?.
What is GPRS?.
What is Foundation Profile ?.
What is EDGE?.
What is Deck?.
What is CLDC?.
What is configuration?.
What is API?.
What is AMPS?.
What is MIDlet suite?.
What is MIDP?.
What is kXML?.
What is MSC?.
What is KJava?
What is ETSI?.
What is FDMA?
What is Foundation Profile?.
What is CVM?.
What is Generic Connection Framework?.
What is CDMA One?.
What is CDC?.
What is CDMA ?.
What is CDMA2000?.
What is CDPD?.
What is cHTML?
What is IEEE 802.11,explain?
What is J2ME WTK?.
What is history of j2me?.
What is Java 2 Micro Edition?
What is the advantage of having a POJO class as an action?
How does Interceptors help achieve Struts2 a better framework than Struts1 ?
What are the various Struts tag libraries?
What is the difference between ForwardAction and IncludeAction?
What is DispatchAction?
What is the different actions available in Struts?
Describe Validate() and reset() methods.
How exceptions are handled in Struts application?
What is Struts Validator Framework?
How properties of a form are validated in Struts
Which model components are supported by Struts?
What are the Core classes of Struts Framework?
Which technologies can be used at View Layer in Struts?
How many servlet controllers are used in a Struts Application?
What steps are required to for an application migration from Struts1 to Struts2?
What are the two scope types for form beans?
What are the two scope types for form beans?
What is the difference between struts 1.3 and 2.3?
How an actionForm bean is created?
What\'s the role of Action Class in Struts?
What is the new Features of Spring 3.0 Framework?
What is the Request process lifecycle of Spring 3.0 MVC in Java?
What is Spring 3 MVC Framework in Java?
Which file is used by controller to get mapping information for request routing?
What\'s the flow of requests in Struts based applications?
How do add a bean in spring application?
What are the advantages of Spring MVC over Struts MVC ?
What is @RequestMapping annotation?
What is @Controller annotation?
What is front controller in Spring MVC?
What is a DispatcherServlet?
What is Spring MVC framework?
What are the Advantage of ORM Frameworks with Spring?
What is Struts?
What are the components of Struts Framework?
How to count number of characters in a file in java
What is Struts?
How to Write file handling program to copy characters from one file to another in java?.
What is the Struts framework?
How to get file URI reference in java?.
How to get file URI reference in java?.
Which Transaction management type is more preferable?
What are the benefits of the Spring Framework’s transaction management?
What are the types of the transaction management Spring supports ?
What are ORM\'s Spring supports ?
What are object/relational mapping integration module?
How is the DAO support in Spring?
What is JDBC abstraction and DAO module?
How to integrate Spring and Hibernate using HibernateDaoSupport?
What are the ways to access Hibernate by using Spring?
How to read file content using byte array in java?.
What is Spring JdbcTemplate and what is the problem of JDBC API?
How JDBC can be used more efficiently in spring framework?
What are the types of Advice?
what is the diffrence b/w io and nio in java?.
How to store and read objects from a file in java?.
How to create and store property file dynamically in java?.
What does @Qualifier annotation mean?
How to compress and uncompress the data of a file in java?.
How to Filter the files by file extensions and show the file names in java?.
What does @Qualifier annotation mean?
How to Filter the files by file extensions and show the file names in java?.
How to Filter the files by file extensions and show the file names in java?.
What does @Autowired annotation mean?
What does @Required annotation mean?
How do you turn on annotation wiring?
What are the limitations with autowiring?
What are inner beans in Spring?
What is Spring Bean life cycle?
What is Spring Java-Based Configuration? Give some annotation example.
What is Annotation-based container configuration?
What is Spring Java-Based Configuration? Give some annotation example.
How to get list of all files from a folder in java?.
What are the differences between OOP and AOP?
What are different ways to configure a class as Spring Bean?
What is the difference between Spring AOP and AspectJ AOP?
How to create temporary file in java?.
How to delete temporary file in java?
How to delete temporary file in java?
What are the different types of AutoProxying?
What is Weaving?
What is a Proxy?
What is Interceptor?
What is Target Object?
What is Introduction?
What is Pointcut?
How many ways can we read data from the keyboard?.
What is JointPoint?
What is Aspect?
What is FileInputStream and FileOutputStream in java explain?.
Difference between forward() method and sendRedirect() method?
how to set file permissions in java?.
How do I write text to a file?
What is SingleThreadModel interface in servlet?
JavaServer Pages (JSP)
Java (programming language)
What is I/O in java?.
How the AOP used in Spring?
What are the common implementations of the Application Context ?
What is difference between PrintWriter and ServletOutputStream?
What is ServletContext object?
What is Aspect Oriented Programming(AOP)?and Where to use AOP?
What are the bean scopes supported by Spring?
How do you provide configuration metadata to the Spring Container?
How can you inject a Java Collection in Spring?
What is bean auto wiring?
What do you mean by Bean wiring ?
What is ServletConfig object?
How is a typical spring implementation look like ?
What are Spring beans?
What are common tasks performed by Servlet Container?
What are the different types of IoC (dependency injection)?
What are the advantages of Servlet over CGI?
What is MIME Type and why it is used?
What are the Name of different types of Autowire types?
What is Web Application Context?
What is default scope of bean in Spring framework?
What is spring configuration file?
Which HTTP method is non-idempotent?
Which HTTP method is non-idempotent?
Difference between web servers and application servers?
What are the difference between BeanFactory and ApplicationContext in spring?
What is Application Context?
What is Bean Factory ?
What are the types of Dependency Injection Spring supports?
What are different modules in spring?
What are the benefits of IOC (Dependency Injection)?
What are the different types of IOC (dependency injection) ?
What is IOC (or Dependency Injection)?
What are features of Spring?
What are the advantages of Spring framework?
Why we need to work with the Spring?
What is Spring?
What are the types of JSTL tags?
how does EL search for an attribute ?
What is EL ?
In JSPs how many ways are possible to perform inclusion?
What are the different scopes available for JSPs?.
Why use of scripting elements in JSP is discouraged?
Differentiate between GET and POST?.
How can we avoid direct access of JSP pages from client browser?
What JSP lifecycle methods can I override?
How can my JSP page communicate with an EJB Session Bean?.
How do I use comments within a JSP page?
Simple Example of TreeMap class in Java .
Simple Example of LinkedHashMap class in Java .
Simple Example of HashMap class in Java .
Simple Example of PriorityQueue in Java .
Simple Example of Sorting the elements in Java .
What is the difference between custom JSP tags and JavaBeans?
Simple Example of TreeSet class in Java .
Simple Example of HashSet class in Java .
Simple Example of ListIterator Interface in Java .
Simple Example of LinkedList in Java .
How can I set a cookie and delete a cookie from within a JSP page?
How can I set a cookie and delete a cookie from within a JSP page?
How can I set a cookie and delete a cookie from within a JSP page?
What are implicit objects? List them?
Simple Example of ArrayList in Java .
How can I set a cookie and delete a cookie from with in a JSP page?
What is the difference b/w variable declared inside a declaration part and variable declared in scriplet part?
How can I implement a thread-safe JSP page? What are the advantages and Disadvantages of using it?
How does JSP handle run-time exceptions?
How can I set a cookie and delete a cookie from within a JSP page?
How to create First JSP Page?
What is custom tags,how to use it and create it in jsp?.
Why we use Map interface? What are main classes implementing Map interface?
Is JSP variable declaration thread safe?
Difference between forward and sendRedirect?
Explain lifecycle methods of jsp?.
Can constructor be used instead of init(), to initialize servlet?
what is the Difference between include directive and include action in JSP
Difference between include directive and include action in JSP
What is action tag in jsp? explain with example?.
What is legacy class in java ?
Why we override equals() method in java?
what is the purpose of finalize() method in java?
What is Garbage Collection in Java?
What is Scriptlet tag? Explain with example?.
How is Taglib Directive used in JSP?
What is include directive in JSP?.
what is the NIO.2 feature of java 7 new IO API?
How to make a collection read only?
What is difference between fail-fast and fail-safe?
What is difference between HashMap and HashSet?
What is the difference between Comparable and Comparator Interface?
How to obtain Array from an ArrayList ?
How do you traverse through a collection using its Iterator?
What is an Iterator ?
What is page directive in jsp?.
What is the difference between Iterator and Enumeration ?
What is directives tag in jsp?.
What is the usage of Expression Tag explain with example?.
what usage of Declaration Tag explain with example?.
Expalin type of JSP tags in uses?.
What is the use of Dimond operator feature of java7?
What is a JSP expression?
How to include static files in a JSP page?
Explain Implicit objects in JSP?.
Explain JSP URL mapping? What is URL hiding or protecting the JSP page?
What is the requirement of a tag library?
What is the difference between jsp and servlet?.
Is JSP variable declaration thread safe?
What is the life-cycle of JSP?
what is the multi-catch feature of java 7?
What are the advantages of JSP over Servlet?.
Explain JSP Technology?.
What is JSP and tell its uses?.
How to use StringBulider method in java give example,and how to create it?.
Describe the feature of try-with-resorce feature of jdk 1.7?
What is the String inside switch feature of java 7?
How we can use underscore in numeric lithrals in java 7?
What StringBuilder method in java used?.
What are difference between Iterator and ListIterator?
What stringbuffer method in java used?.
What are the Methods of Collection interface in Java?
What is the benefit of Generics in Collections Framework?
What are the basic interfaces of Java Collections Framework?
How to create String buffer in java?.
What is collection framework in Java? give its advantage?
What is binary literals feature in jdk 1.7?
What is difference between Compare to and equals method in java?.
Can we compare String using == operator? What is risk?
What are the new features introduced in jdk 1.7?
What is difference between String and new String() in java?
Why String is immutable or final in Java with example?.
How to get return value of a callable thread in java Executor Framework?
What is Anonymous Class in Java ?
What are the different policy in Executor Framework?
What are Difference Between String , StringBuilder and StringBuffer Classes with Example in Java ?
What is the role of Executors.unconfigurableExecutorService in Executor Framework?
What is a wrapper class in java? Explain with examples.
What ie Thread Safety in java ?
Can we define two methods in a class with the same name?
What is the difference between creating string as new and literal in java?
How can we make String upper case or lower case in java?.
What are differences between JVM,JRE and JDK ?
What is the role of Executors.privilegedThreadFactory() in Executor Framework?
How to terminate a thread in Executor Framework in java?
Write a method that will remove given character from the String in java?
What is difference between shutdownNow() and shutdown() in Executor Framework in java?
What is the role of FutureTask and Future in java?
What is String subSequence methodin java?.
What is Executors in java Executor Framework?
How to Split String in java?
How do you check if two Strings are equal in Java?
What is the role of ExecutorService in Java?
Write a function to determine whether or not a string is a palindrome?.
What do you understand by Executor Framework in Java, what is java executor framework
Write a function to determine whether or not a string is a palindrome.?
what methods supported by String class in java?
what string method in java?
How to access private metod using Reflection in Java?
How to access private field using Reflection in Java?
What are the basic Functionality of Reflection Api in Java?
How can you get the class object from a class name?
What are the disadvantage of using the reflection API?
What is Reflection in Java and where is used?
Why String is popular HashMap key in Java?
What is Java String Pool?
Why synchronization is important?
When you will synchronize a piece of your code?
What are synchronized methods and synchronized statements?
Can two threads call two different static synchronized methods of the same class?
What is the difference between static binding and dynamic binding in java?
What are the various access specifiers for Java classes?
How many types of memory areas are allocated by JVM?
Can static methods be synchronized?
Can a thread call multiple synchronized methods on the object of which it hold the lock?
what is the Difference Between String , StringBuilder and StringBuffer Classes in java?.
Can we use String in switch case?
What are different ways to create String Object in java?
What is use of synchronized keyword?
Why String is an immutable Object?
What is String in Java? String is a data type?
What are the advantages of using exception handling?
What is Reflection API in Java?
What is Bootstrap, Extension and System Class loader?
What’s difference between Static and Non-Static fields of a class?
What’s the difference between “Abstract” classes and “Interfaces”?
what is Java Naming conventions?.
what is Java Naming conventions?.
What is StackOverflowError?
What is Object Oriented Programming?
What is JIT (Just- in-Time) Compilation?
What is JVM (Java Virtual Machine)?
How to create custom Exception?
What are the possible combination to write try, catch finally block?
What are the possible combination to write try, catch finally block?
What is use of throws keyword?
What is throw keyword?
What is difference between ClassNotFoundException and NoClassDefFoundError?
What is difference between abstract class and interface?
How are the exceptions handled in java?
Can we handle more than one exception in a single catch block?
When a finally block does not get executed?
Can you declare the main method as final?.
Is it possible to have finally block without catch block?
Can we have multiple catch blocks following a single try block?
Can we have a try block without catch or finally block?
Can we have a try block without catch or finally block?
What is finally block?
Can static block throw exception?
What is the difference between Error and Exception?
Can we have an empty catch block?
What changes are compatible and incompatible to the mechanism of java Serialization?
Can we customize the Serialization process?
What is the difference between constructor and method?
What happens when exception is thrown by main method?
What are the various types of constructors?
What is difference between final, finally and finalize in Java?
What are access modifiers?
What are different scenarios causing “Exception in thread main”?
What is OutOfMemoryError in Java?
How to write custom exception in Java?
What are access modifiers?
What is difference between throw and throws keyword in Java?
What is difference between Checked and Unchecked Exception in Java?
What is the relationship between a class and an object?
What are important methods of Java Exception Class?
Explain Java Exception Hierarchy followed by Throwable class?
Why we need Aggregation?
what are the the main keyword used in exceptation handling?
what are the the main keyword used in exceptation handling?
Serialization is NOT save the value of static class attributes. Why static variables are not serialized?
What is the Difference between volatile and transient keyword in Java?
What happens if the object to be serialized includes the references to other serializable objects?
what are the different approach to make object Serializable? Other than Serialization.
What is Serialization and deserialization in java given with example?
what is transient variables in java with example?
what is the 6 usage of this keyword in java?.
How many methods in the Serializable interface?
When to use private constructors in Java?
How downcasting is possible in java?
Why Multiple Inheritance is Not Supported in Java?
Can we override the static method?
What is the difference between static and dynamic binding ?
what is the difference between serializable and externalizable interface in java?
why serialversionuid is required?
17.Can you create a program without main method ?.
What is a Serial Version UID (serialVersionUID) and why should I use it?
16.what is Runtime polymorphism or Dynamic Method Dispatch
how to serialization in java?
why serialization in java?
what is use of serialization in java?
What is Serialization? given an example.
15.point to be remember keyword final.
You have thread T1, T2 and T3, how will you ensure that thread T2 run after T1 and thread T3 run after T2?
14.what is the use of final keyword with Variables?
13.what is final Method.
12.What is final class - Using final to prevent inheritance?.
What is use of synchronized keyword?
What are the different states of a thread\'s lifecycle?
Difference between submit() and execute() method thread pool in Java?
What does yield() method of Thread class do?
You have thread T1, T2 and T3, how will you ensure that thread T2 run after T1 and thread T3 run after T2?
11.What is final variable and Use of final variable
What is ThreadLocal variable in Java?
Why wait, notify and notifyAll are not inside thread class?
10.what is the Advantage of OOPs over Procedure-oriented programming language
What happens when an Exception occurs in a thread?
9. what is the use of super keyword
How to stop thread in Java?
What is Executors Framework ?
8.What is the difference between abstraction and encapsulation?
Whar is race condition in multi-threading in java?
7. What is an abstraction?
6. What is multiple inheritance and does java support?
5. What is Inheritance?
5. What is Inheritance?
4. What is Polymorphism?
3. What is Encapsulation?
Difference between Runnable and Callable in Java?
What is the difference between start() and run() method of thread class
When to use Runable and Thread in java?
How do you implement Thread in Java?
2. Write basic concepts of OOPS?
1. What is OOPS?
1. What is OOPS?
What is the difference between thread and process?
Collection framework in java interview questions
What is exception handling?
What is Exception and Error ?
Which is superclass of Exception?
What is an exception?
What is WeakHashMap?
What is IdentityHashMap?
Arrange in the order of speed - HashMap,HashTable, Collections.synchronizedMap,concurrentHashmap?
Which data structure HashSet implements?
What is ConcurrentHashMap?
How we can sort any class on the behalf of the properties of collection. Like we has a collection of named Employee objects we need shortlist by using Employee ID.
How can Arraylist be synchronized?
How to sort list of strings - case insensitive?
Can a null element added to a Treeset or HashSet?
How to sort list in reverse order?
Which design pattern Iterator follows?
if accessing through iterator is slow then why do we need it and when to use it?
If an ArrayList has to be iterate to read data only, what are the possible ways and which is the fastest?
Where you use List and where ArrayList?
Which all classes implement Set interface?
What are the classes implementing List interface?
What is difference between iterator access and index access?
When to use ArrayList or LinkedList?
What is difference between List and Set?
What is difference between Arrays and ArrayList ?
What is difference between HashMap and HashTable?
What is difference between Arrays and ArrayList ?
What is difference between HashMap and HashTable?
What is difference between ArrayList and vector?
What happens when both hibernate.properties and hibernate.cfg.xml are in the classpath?
What are the types of Hibernate instance states ?
What is the use of dynamic-insert and dynamic-update attributes in a class mapping?
How can you map a whole class as immutable?
What is Connection pools used for in Hibernate?
What are the Joined Subclasses in Hibernate?
What are the various advantages of Hibernate?
What are the different caching services provided by the Hibernate?
Explain the Fetching association in HQL?
Which interfaces are defined to execute the query in the Hibernate?
What are the Hibernate join options?
Which interfaces are defined to execute the query in the Hibernate?
What are the various mapping association in Hibernate?
What are the various Catching strategies in Hibernate?
What are the various transaction isolation isssues in Hibernate?
Explain Hibernate Transaction API?
What is the difference between JDBC and JTA transactions in Hibernate?
What are the Collection types in Hibernate ?
Difference between getCurrentSession() and openSession() in Hibernate ?
What is Lazy fetching in Hibernate?
What is outer join fetching in Hibernate?
What are the various fetching strategies from the database in Hibernate?
What is Hibernate Query By Example?
What is Hibernate QBC (Query By Criteria)?
Explain HQL (Hibernate Query Language)?
How will you retrieve an object by Identifier from the database in Hibernate?
What is the difference between beans and Hibernate?
How will you create a primary key using Hibernate?
What is the main advantage of using Hibernate than sql?
What is the difference between sorted and order collection in Hibernate?
What are different environments to configure hibernate?
What are the general considerations or best practices for defining your Hibernate persistent classes?
What is the difference between the session.update() method and the session.lock() method?
What is the difference between the session.get() method and the session.load() method?
How does Hibernate distinguish between transient (i.e. newly instantiated) and detached objects?
What are the pros and cons of detached objects?
What are the benefits of detached objects?
What is a Session? Can you share a session object between different theads?
What is a SessionFactory? Is it a thread-safe object?
How will you configure Hibernate?
What are managed associations and hibernate associations?
What are the different approaches to represent an inheritance hierarchy?
What are the different methods of identifying an object?
What is meant by Method chaining?
What do you create a SessionFactory?
What is the file extension you use for hibernate mapping file?
What are different environments to configure hibernate?
What are the Extension interfaces that are there in hibernate?
What are Callback interfaces?
What are the different levels of ORM quality? Explain ORM quality level.
What are the benefits of ORM and Hibernate?
Which are the different ways you can communicate between servlets?
What is the difference between doGet() and doPost()?
What the difference is between getSession (true) and getSession (false)?
What is URL rewriting?
What are sessions in Servlets?
Why is HTTP protocol called as a stateless protocol?
What's the architecture of a Servlet?
What are the difference between Generic Servlet and Http Servlet?
What's the use of Servlet Context?
What are advantages of servlets over CGI?
Explain the life cycle methods of a Servlet.
What are the benefits of ORM and Hibernate?
If you use super() or this() in a constructor where you us it in the constructor?
Can overriding methods have different return types?
What restrictions are placed on method overriding?
What is method Overriding?
When are automatic variable initialized?
When are static and non static variables of the class initialized?
What is the difference between class variable, member variable and automatic(local) variable
Why there are no global variables in Java?
What is the class variables ?
Describe the wrapper classes in Java.
What are Access Specifiers available in Java?
What is the difference between an argument and a parameter?
How many ways can an argument be passed to a subroutine and explain them?
What is casting?
What is the use of bin and lib in JDK?
What are methods and how are they defined?
What is the difference between constructor and method?
What is an Object and how do you allocate memory to it?
What are Class, Constructor and Primitive data types?
Explain the different forms of Polymorphism.
Explain the Polymorphism principle.
Explain the Inheritance principle.
What is encapsulation principle?
What is OOPS(Object-Oriented Programming) principle?
What is the difference between Assignment and Initialization?
What is the difference between procedural and object-oriented programs?
What is OOPS(Object Oriented Programming)?
What are POJOs?
What does ORM API ?
What is ORM ?
What is Hibernate?
What is MySQL?
What is the basic difference between ASP and ASP.NET?
What is ASP?
What is PHP?
The life cycle of a servlet?
What is Servlet?
What happens if parent is not serialized and child class are serialized?
What happened If we compile and run following code?
How many number of public class definitions can a source file have?
How many number of non-public class definitions can a source file have?
What is output of following ?explain why?
Can we declare a enum within interface ?If Yes then give an example .How we can call enum ?
Can we create a interface within interface ?If Yes then give an example .How we can call inner interface?
How to define an Interface?
What is interface?
Can abstract methods synchronized?
Can we declare abstract method private ?
Abstract method
Can we define abstract class (as inner class) and class ( outer class) in java ?If Yes give an example?
Why we define constructor in abstract class in java when we can't initialized it abstract class. Or how constructor of abstract class can used. Give an example
How to define an Abstract class?
Can we define abstract class (as outer class) and class ( inner class) in java ?If Yes give an example .
What is abstract class in java?
Can abstract modifier be applied to a variable?
What do you understand by Synchronization?
Java Virtual Machine (JVM)
When we can declare a method as abstract method ?
What are different types of access modifiers?
What is garbage collection?
What happens if you inherit multiple interfaces and they have conflicting method names?
Whats the difference between the System.Array.CopyTo() and System.Array.Clone()?