!! Function !! Learn Function !! GUI in python !! Learn GUI in python !! Operators !! Learn Operators !! Data type in python !! Learn Data type in python !! loops in python !! Learn loops in python !! Numpy !! Learn Numpy !! sqlite3 !! Learn sqlite3 !! Library !! Learn Library !! Pandas !! Learn Pandas !! Python !! Data Structure using c !! C++ language !! c language !! Introduction to C + 200 Programs !! Second largest element in array !! Second smallest number in array !! Find middle element in array !! Square the array in C !! Cube the array in C !! Square root of the number !! Cube root of the number !! Square root of the array !! Swap element in array !! Make matrix in C !! Input in matrix in C !! Traverse the matrix in C !! Add two matrix in C !! Subtract two matrix !! Multiple two matrix in C !! Transpose of the matrix !! Find diagonal element of the matrix !! Sum of diagonal element of matrix !! Product of diagonal elements of matrix !! Sum of all element of array !! Product all number in Array !! Sum of all element in matrix !! Row-wise addition in Matrix !! Column-wise addition of matrix !! Find maximum number in Matrix !! Find minimum in Matrix !! Occurrence of the number in array !! Occurrence of number in Matrix !! Search item in Matrix !! Rotate the array in C !! Find average of the number !! Find average of array value !! Find median of the sorted array !! Compare two matrix in C program !! Make your own header file in C language !! Find Sum of square of digit of number in C !! Delete item in array by C program !! Delete max number in array in C program !! Delete min element in array in C program !! Sum of max and min element of array in C !! Difference between max and min value of array !! Copy one string into another in C program !! Length of string in C language !! Concatenate two string in C language !! string.h header file in C !! strcat() function in C !! Compare two string in C !! strcmp() function in C !! strcpy() function in C !! strncmp() function in C !! strncpy() function in C !! strchr() function in C !! Reverse the string in C !! strrev() function in C !! Palindrome string in C !! Calindrome string in C !! Find table of the given number in C !! Find gross salary in C !! Find area of triangle in C !! Find area of rectangle in C !! Find area of circle in C !! Calculate the percentage in C !! Find simple interest in C !! Decimal to binary conversion in C !! Decimal to octal conversion in C !! Decimal to Hexadecimal conversion in C !! Binary to decimal conversion in C !! Octal to decimal conversion in C !! Hexadecimal to decimal conversion in C !! Octal to binary conversion in C !! Hexadecimal to binary conversion in C !! Print Fibonacci series in C !! Check perfect number in C !! Find LCM in C program !! Find HCF in C program !! Check vowel in C program !! Check vowels by switch case in C !! Make complex number in C !! Add two complex number in C !! Subtraction of two complex number in C !! Multiplication of complex number in C !! Find modulus of complex number in C !! Negation of complex number in C !! What is recursion in C !! What is pointer in C !! call by value in C program !! Call by reference in C !! Structure in C !! Union in C !! Type casting in C !! Left shift in C !! Right shift in C !! AND bitwise operator in C !! OR bitwise operator in C !! exit() function in C language !! #define in C language !! sin() function in C !! cos() function in C !! tan() function in C !! print Hello_World without using semicolon in C !! Print character by ASCII value in C !! Check positive or negative number in C !! Even or odd number in C !! Find Maximum Between two number !! Minimum between two number !! Minimum Between three numbers !! Maximum in three number !! Swap two variable using third variable in C !! Swap two variable Without using third variable in C !! Find maximum in array !! Find minimum in Array !! Factorial of number in C !! Make Factorial Function in C !! Factorial by the Recursion !! Check prime number in C !! Make function to check prime number !! Increment operator in C !! Decrement operator in C !! Goto Statement in C !! Factorial by goto statement in C !! Recursion in C !! Print first 10 prime number !! pow() function in C !! Find square of the number !! Find cube of the number !! Find a to the power b in C !! Check character is alphabet or not !! Check special character in C !! Check Uppercase character in C !! Check lower case Character in C !! Convert uppercase into lowercase letter !! Convert lower case into Upper case !! Find number of digit in given integer !! Reverse the number in C !! Palindrome number in C !! Copy one variable into another variable !! Commands in C !! Find Length of the number !! Armstrong Number in C !! Armstrong number between 1 to 100 !! Prime number upto 100 !! Take input in Array !! traverse the array in C !! Store one array into another array !! Reverse the array in C !! Reverse the array from the middle !! Left shift in array !! Right shift in array in C !! Find length of the array in C !! Search the item in Array !! Add two array in C !! Subtract two array in C !! Multiple two array in C !! Add number to array in C !! Subtract number from array !! Multiply number to array !! Sort the array in increasing order !! Sort the array in descending order !! Binary search in C program !! Data Type in C !! Storage Class in C !! Format Specifier in C !! Take input from console in C !! What is line break in C programming !! Take input of the string in C language !! Decision making in C !! if statement in C language !! if else in C language !! Nested if in C language !! Switch case in C language !! Default keyword in Switch case in C !! break statement in Switch case in C !! Nested Switch case in C language !! Conditional Expression in C !! gets() function in C !! Clrscr() in C !! getch() in C !! Loops in C language !! For loop in C language !! While loop in C language !! do while loop in C language !! Nested Loop in C language !! Infinite loop in C language !! break statement in loops in C language !! Continue Statement in C !! Signed and unsigned integer in C language !! Function in C language !! Return integer from the function in C !! Return String from the function in C language !! Pass argument in Function in C language !! Scope of the variable in C !! Array in C language !! Addition of two number in C language !! Subtraction of two number in C language !! Multiplication of two number in C !! Division of two number in C !! Modulus of two number in C language !! Find ASCII value in C language !! Hello World Program in C language !! Introduction of C language !! Graphics in C !! Introduction to Graphics programming in C !! Putpixel in C Graphics !! Draw a line in C graphics !! Draw a circle in C Graphics !! setcolor() function in C graphics !! Display text in C graphics !! Floodfill() function in C graphics !! Move Circle in C graphics !! Snake game by C program !! Snake Game by C program !! File Handling !! Introduction to File Handling in C !! Open and close file in C !! write in a file in C !! read mode in file in C !! Append mode in file !! ftell() function in File handling !! fseek() in file handling !! Sqlite3 in C !! Introduction to Database and sqlite3 !! Create Database in C !! Create Table in database in C !! Insert data in table in C !! Execute Select query on table in C !! Exception Handling in C !! Introduction to Exception Handling !! What is errno in C !! Handle divide by zero error in C !! Sound programming !! Introduction to Sound programming in C !! Make sound in C !! Python !! Introduction to python + 300 program !! File handling in python !! write() and read() in file handling in python !! append and read in file handling in python !! Difference between write and append mode in file handling in python !! readline() function in file handling in python !! readlines() function in file handling in python !! create a new text file in python !! Delete a file , file handling in python !! Count number of lines in Text file in python !! writelines() function in file handling in python !! tell() function in file handling in python !! Display the name of the file in file handling in python !! isatty() function in python !! seek() function in python !! Read file upto nth index in python !! localtime() function in python !! sleep() function in python !! mktime() function in python !! get_clock_info() function in python !! Find the mode of the opened file in python !! rename the file in python !! Class and object in oops in python !! method in class in python !! constructor in class in python !! delete the object of the class in python !! simple inheritance in python !! multi-level inheritance in python !! multiple inheritance in python !! Hierarchal inheritance in python !! Constructor in simple inheritance in python !! constructor in multi-level inheritance !! Constructor in multiple inheritance !! method overriding in python !! Function overloading in python !! destructor in python !! polymorphism in python !! AND gate implement in python !! OR gate implement in python !! implement NAND gate in python !! implement NOT gate in python !! implement NOR gate in python !! implement XOR gate in python !! implement XNOR gate in python !! operator overloading in python !! concat the string in python !! contains() in operator module in python !! countOf() function in python !! ilshift() function in python !! irshift() function in python !! invert() function in python !! isub() function in python !! eval() function in python !! find the value of the quadratic equation in python !! Find value of the cubic equation in python !! Solve the quadratic equation in python !! Solve equation of two variable in python !! Solve three variable equation in python !! format() function in python !! Show the calender in python !! show the month of the given year in python !! isleap() function in python !! leapdays() function in python !! monthrange() function in python !! date() function in python !! Introduction to regular expression in python !! search() in regex in python !! search a white space in string in python !! split() regex in python !! regex sub() function in python !! Get all number from string by findall() in python !! findall() function in python !! get all alphabet from string by findall() in python !! get all special char from string in python !! use of \A in regular expression in python !! use of \Z in regular expresion in python !! span() in regular expression in python !! start() in regex in python !! end in regex in python !! match() in regular expression in python !! Difference between the search() and match() in regular expression in python !! yield keyword in python !! counter() function in python !! elements() function in python !! sort the dictionary in python !! Sort the dictionary by values in python !! Sort the dictionary by keys length in python !! defaultdict() function in python !! reduce() in python !! reduce() with lambda in python !! find product of items in list in python !! Find sum of square of list in python !! Find sum of even number in python !! Find sum of odd numbers of list in python !! Sum of prime number of list in python !! Find all prime number in the list in python !! product of digit of number in python !! Calindrome string in python !! find the longest word in the string in python !! Find smallest word in string in python !! Count the number occur in between 1 to 100 in python !! Swap two adjacent item in list in python !! Change the sign of the number in list in python !! call by value in python !! call by reference in python !! list inside dictionary in python !! Fibonacci series in python !! similar keys in dictionary in python !! items() function in dictionary of python !! fromkeys() dictionary function in python !! get all keys of dictionary in python !! Get all values of dictionary in python !! insert both key and value in dictionary in python !! update() in dictionary in python !! Fibonacci series by recursion in python !! popitem() function in dictionary in python !! dictionary pop() function in python !! log2() function in python !! sin() math function in python !! cos() math function in python !! tan() math function in python !! asin() math function in python !! acos() math function in python !! atan() function in python !! copysign() math function in python !! complex number in python !! real() complex function in python !! imag() complex function in python !! string to complex number in python !! lambda in python !! conjugate() complex function in python !! phase() complex function in python !! polor() complex function in python !! find modulus of the complex number in python !! rect() complex function in python !! Addition of two complex number in python !! Subtraction of two complex number in python !! multiplication of two complex number in python !! division of two complex number in python !! map() function in python !! lambda with map() function in python !! add two list with the help of lambda and map() !! filter() function in python !! lambda with filter() function in python !! find factorial by lambda function in python !! Recursion in lambda function in python !! check even odd by lambda function in python !! Exception handling in python !! try with except in python !! try with finally block in python !! raise keyword in python !! asctime() and ctime() function in python !! altzone() function in python !! upper() function in python !! lower() function in python !! isupper() function in python !! islower() function in python !! title() function in python !! isalnum() function in python !! isdigit() function in python !! isnumeric() function in python !! isalpha() function in python !! join() function in python !! ljust() function in python !! rjust() function in python !! lstrip() function in python !! rstrip() function in python !! replace() function in python !! rfind() function in python !! rindex() function in python !! splitlines() function in python !! strip() in python !! swapcase() function in python !! zfill() function in python !! isdecimal() function in python !! extend() in python !! clear() function in python !! copy() function in python !! insert() function in python !! reverse() and reversed() function in python !! sort() and sorted() function in python !! Nested list in python !! remove() function in python !! add() function in python !! find set difference in python !! difference_update() function in python !! discard() set function in python !! intersection of two sets in python !! intersection of n sets in python !! intersection_update() function in python !! isdisjoint() function in python !! issubset() function in python !! issuperset() function in python !! symmetric difference of two set in python !! symmetric_difference_update() function in python !! union of two sets in python !! union of n sets in python !! update() set function in python !! __contain__() in python !! __getitem__() function in python !! compare two list in python !! abs() function in python !! ceil() function in python !! floor() function in python !! gcd() function in python !! sqrt() function in python !! isfinite() in python !! log10() function in python !! round() in python !! choice() in python !! random() function in python !! randrandom() function in python !! shuffle() in python !! capitalize() function in python !! center() function in python !! count() in python !! endswith() function in python !! startswith() function in python !! isspace() function in python !! expandtabs() function in python !! find() in python !! index() function in python !! Decimal to binary conversion in python !! Binary to decimal conversion in python !! Decimal to octal conversion in python !! Decimal to hexadecimal conversion in python !! Octal to decimal conversion in python !! Binary to octal conversion in python !! Binary to Hexadecimal in python !! Decimal to binary conversion in one line !! Decimal to octal conversion in one line !! Decimal to hexadecimal conversion in one line !! Sum of two binary number in python !! Subtraction of binary number in python !! Multiplication of two binary number in python !! Division of two binary number in python !! 1's compliment of binary number in python !! 2's compliment of binary number in python !! Check number is binary or not in python !! LCM of two number in python !! LCM of n numbers in python !! HCF of two number in python !! HCF of n numbers in python !! Factorial of the number in python !! Factorial of number by recursion in python !! Swapping of two variable by using third variable in python !! Swapping of two variable without using third variable !! Swapping of two variable in single line in python !! Sum of the digit of number in python !! reverse of the number in python !! Negative index in python !! Display the list in reverse order in python !! check the palindrome number in python !! Palindrome string in python !! store one string to another string in python !! Check Prime number by python !! Prime number from 1 to 100 in python !! Armstrong number in python !! Show all Armstrong number up-to 1000 in python !! Find power of number in python !! split() function in python !! Find area of circle by python program !! Perimeter of the circle !! print 1 to 100 in python !! Python program to check number is positive or negative !! Check even odd in python !! Find maximum in two number !! Maximum out of three number in python !! find minimum out of three number in python !! ASCII value in python !! Recursion in python !! Maximum in list python !! Minimum in list python !! Find the table of the number in python !! Display Even number up-to 20 by python !! Display the odd number up-to 30 !! Check input character is alphabet or not by python !! Check vowel in python program !! Check uppercase or lowercase in python !! Function in python !! global and local variable in python !! Decision making statement if else in python !! for loop in python !! while loop in python !! Break statement in python !! Return list by function in python !! Add two number in python !! add all number in list in python !! Increment and decrement operator in python !! Set in python !! Type casting in python !! List to string conversion in python !! String to list conversion in python !! List in python !! tuple in python !! Dictionary in python !! String in Python !! Zip() in python !! Range() in Python !! Hello World Program !! Input in Python !! Introduction of Python !! Basic data type in python !! Tkinter in python !! Entry field in Tkinter in python !! Get data from Entry widget In tkinter !! Checkbutton widget in tkinter in python !! Radiobutton in Tkinter in Python !! Pack() in tkinter in python !! grid() in tkinter in python !! place() layout in tkinter in python !! Config() in tkinter in python !! font() in tkinter in python !! Frame in tkinter in python !! Frame in tkinter in python !! Destroy the frame in tkinter python !! Delete the Label in Tkinter python !! Delete the Button in Tkinter Python !! Text() widget in tkinter python !! Draw a Graph using canvas Tkinter Python !! Draw a line By canvas Tkinter Python !! draw 100 lines randomly by tkinter python !! Draw a rectangle by Tkinter Python !! Create a new window screen by tkinter in python !! Introduction of the Tkinter in python !! Button by tkinter in python !! Change the color of the Button in tkinter !! Create clickable Button by tkinter in python !! Label widget in tkinter !! Change the Label by button in tkinter !! Numpy in Python !! Introduction To Numpy in Python !! Create a Numpy Array in Python !! Numpy array to list in python !! List to Matrix In python !! ndim() function in Numpy Python !! Shape() function in Numpy Python !! size() function in Numpy Python !! dtype() function in Numpy Python !! Find Factorial by Numpy Python !! Product of all Element in Numpy Array !! zeros() method in Numpy array !! Convert Integer list to Float Array in Numpy Python !! Full() in Numpy python !! arange() in Numpy Python !! flatten() method in Numpy Python !! slicing on two dimensional array in Numpy Python !! Add number to matrix in Numpy Python !! Subtract each number of Numpy matrix in Python !! Multiple the number to matrix in Numpy Python !! Square each number in Numpy array in Python !! Transpose the Matrix in Numpy Python !! Add two matrix in Numpy Python !! Subtraction of two matrix in Numpy Python !! Find maximum number in Numpy Matrix !! Find min in Numpy matrix in Python !! reshape() method in Numpy Python !! Pandas in Python !! Introduction To Pandas In Python !! Series() in pandas Python !! List in Pandas Series() in python !! Dictionary in Pandas Series in Python !! Ndarray in Pandas Series in Python !! DataFrame in Pandas in Python !! Dictionary in Pandas DataFrame in Python !! Series in Pandas DataFrame in Python !! Ndarray in Pandas DataFrame in Python !! Sqlite3 in Python !! Introduction To sqlite3 in Python !! Create Table and Execute Query in Sqlite3 Python !! Delete the row in table by sqlite3 python !! Count number of row in table sqlite3 python !! Library and Framework overview in Python !! Tensor Flow in Python !! Scikit Learn in Python !! Numpy in Python !! Keras in Python !! PyTorch in Python !! LightGBM in Python !! Eli5 in Python !! SciPy in Python !! Theano in Python !! Pandas in Python !! OpneCv in Python !! Django in Python !! CGI in Python !! Projects !! Simple Calculator !! Create Registration Form in Python !! Spring boot !! Spring Boot Tutorial !! Spring Boot - Introduction !! Spring boot --Advantages !! Spring boot- @EnableAutoConfiguration, @SpringBootApplication, @ComponentScan !! Why Spring Boot? !! Spring Boot Starters !! Spring boot--Auto Configuration !! Spring Boot Application !! Spring boot--Component Scan !! Spring Boot -Example !! Spring Initializer !! Spring boot --Maven !! Spring boot --Rest Endpoint !! Spring Boot - Tomcat Deployment !! Spring Boot --Servlet Initializer !! Spring Boot - Folder Structure !! Spring boot--Beans and Dependency Injection !! Spring Boot - Runners !! Spring Boot - Application Properties !! Spring Boot - Logging !! Spring Boot - Restful Web Services Example !! Spring Boot - Exception Handling !! Spring Boot - Interceptor !! Spring Boot - Filter !! Spring Boot - Tomcat Configuration !! Spring Boot - Rest Template !! Spring Boot - File Upload !! Spring boot-- Security !! 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Chief minister of Goa !! Chief Minister of Gujarat !! Chief Minister of Haryana !! Chief Minister of Himachal Pradesh !! Chief Minister of Maharashtra !! Chief Minister of Manipur !! Chief Minister of Meghalaya !! Chief Ministers of Mizoram !! Chief Ministers of Nagaland !! President of India !! Chief Ministers of MP !! Chief Minister of Arunachal Pradesh !! Chief Minister of Andhra Pradesh !! Chief Minister of Assam !! Chief Minister of Chhattisgarh !! Prime minister of India !! Nature and Natural things !! Top 10 Longest Species Of Fish !! Top 10 Fastest fish in the world !! 15 Interesting Facts About the Taj Mahal !! Top 10 Rivers in India !! Top 10 highest Mountain peaks of India !! Top 10 Forests of India !! Top 10 Deepest Oceans in the World !! Lakes in India !! GK Hindi(सामान्य ज्ञान) !! भारत के मुख्य न्यायाधीश !! भारत के प्रधानमंत्री !! भारत के राष्ट्रपति !! भारत के उप-राष्ट्रपति !! अब तक के मुख्य निर्वाचन आयुक्त !! Static GK !! Nobel Prizes and Laureates 1962 !! 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States and Capitals of India !! Sports and Games !! Indian Hockey Medals at the Olympic Games !! Indian Medal Winners at the Olympic Games !! Scientific GK !! Planet in our Solar System !! J2ME !! J2ME introduction !! Java 2 Micro Edition? !! History of j2me. !! J2ME Configuration !! J2ME Profiles !! J2ME Architecture !! Advantage and Disadvantage of J2ME !! Difference between J2ME and Android devices !! Comparison of new mobile technology !! Comparison of new mobile technology !! IEEE 802.11 Standards !! IEEE 802.11 Standards !! API for J2ME !! Mobile Media API !! Wireless Messaging API (WMA) !! FileConnection & PIM API !! APIs for Bluetooth Wireless Technology !! Mobile 3D Graphics API for J2ME !! Basics Components of CLDC !! Basics Components of CLDC !! Standardization through CLDC & MIDP !! Standardization through MIDP !! CLDC API !! MIDlet&Life-Cycle of MIDlet !! Communication and wireless telephony technologies (TDMA, GSM, and CDMA) !! About the CDMA and GSM Technology !! About the TDMA and FDMA technology !! About GPRS wireless technologies !! GPS Technology !! j2me project in diffrent IDE !! j2me project in netbeans IDE !! j2me project in myeclips ide !! Remote method invocation(RMI) !! Remote method invocation !! J2ME RMI Optional Package (RMIOP) !! The RMI profile !! j2me program example in netbeans IDE !! j2me calculater example in netbeans IDE !! j2me program to display image in moblie with netbeans ide !! J2ME Mobile Media API !! J2ME Mobile Media API !! Generic Connection Framework (GCF) !! Generic Connection Framework (GCF),Network Example !! Generic Connection Framework (GCF) !! Virtual Machines and its architecture !! K Virtual Machine and its architecture !! Java virtual machine (JVM) !! Wireless Application Environment or WAE !! Wireless Application Environment or WAE !! WAP and WAP Gateway Technology. !! Wireless Messaging API (WMA) !! Wireless Markup Language(wml) !! WCDMA technology !! Wireless Datagram Protocol !! User Datagram Protocol(UDP) !! !! Bluetooth technology (BT) !! iDEN Technology !! Wireless Markup Language Script(WMLScript) !! Open Systems Interconnection (OSI) reference model !! Open Systems Interconnection (OSI) reference model !! Deprecated API of J2ME !! Deprecated API of J2ME !! Struts 2 !! Struts 2 Introduction and Overview !! Introduction/Overview of struts 2 !! Features of Struts 2 !! Advantages and disadvntages of struts 2 !! Differences between struts 1 and 2 !! Struts 2 Architecture !! The basic MVC Architecture !! Struts 2 Architecture !! Request Processing Life cycle !! Struts 2 framework Configuration !! Struts 2 Environment setup !! Basic Environment Setup !! Eclipse Environment Setup !! Netbeans Setup !! Struts 2 basic examples !! Struts 2 HelloWorld Example !! Struts 2 Login Example !! Struts 2 configuration !! Struts 2 configuration !! Apache Tomcat 7 Configuration !! Struts 2 Actions !! Struts 2 Actions Introduction !! 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Introduction to the Spring Framework !! History of Spring Framework !! Advantages of Spring Framework !! Features of Spring !! Core Concept of Spring !! Architecture of Spring Framework !! Modules of Spring Framework !! Spring framework goals !! Some of the Spring Jars !! Spring with IDE !! Example of spring application in Myeclipse !! Example of spring application in Eclipse !! Spring IoC Containers !! Spring IoC Containers !! Spring BeanFactory Container !! Example of Spring Bean Factory !! Spring ApplicationContext container !! Example of Spring Applicationcontext !! Bean in spring framework !! Spring Bean Definition !! Spring Bean Life Cycle !! Scopes of bean in Spring !! Spring Beans Auto-Wiring !! Aspects Oriented Programming(AOP) with Spring !! Aspects Oriented Programming(AOP) with Spring !! Aspect Oriented Programming Core Concepts !! AOP Advice Types !! Spring AOP capabilities and goals !! AOP Proxies !! AOP Implementations !! XML Schema Based AOP with Spring !! Declaring an aspect !! Declaring a pointcut !! Declaring advices !! After returning advice !! After throwing advice !! After (finally) advice in Spring !! Around advice !! XML Schema Based AOP Example !! @AspectJ Based AOP with Spring !! Declaring an aspect !! Declaring a pointcut !! Declaring advices !! After returning advice !! After throwing advice !! After (finally) advice in Spring !! Around advice !! @AspectJ Based AOP Example !! Dependency Injection in Spring !! Dependency Injection in Spring !! Dependency Injection Type & Description !! Constructor-based Dependency Injection !! Constructor argument resolution !! Setter-based dependency injection !! XML Configuration using p-namespace !! XML Configuration using c-namespace !! DAO support in Spring !! Introduction of DAO !! Consistent exception hierarchy !! Annotations used for configuring DAO or Repository classes !! Data access with JDBC !! Introduction to Spring Framework JDBC !! Spring Jdbc Approaches !! 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Example & Tutorial understanding programming in easy ways.

What is difference between HashMap and HashTable?

Following are some difference as :

HashMap	HashTable
1 Hashmap is not synchronized in nature .	1 Hashtable is synchronised.
2 iterator in the HashMap is fail-safe . Fail-safe - �if the Hashtable is structurally modified at any time after the iterator is created, in any way except through the iterator's own remove method, the iterator will throw a ConcurrentModificationException�	2 while for the Hashtable is not.
3 HashMap permits null values and only one null key.	3 while Hashtable doesn't allow key or value as null.

4 HashMap use iterator.	4 Hashtable use enumeration.
5 HashMap is faster.	5 Hashtable is slower.

Posted on Feb 2, 2019 by Rajesh Kumar

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