Which variable in Scala can save memory while declaring variables?

  1. Home
  2. Back

Scala framework - Online Exam Test Papers | Scala framework - MCQs[multiple choice questions and answers ] | Scala framework - Mock Test Papers | Scala framework - Practice Papers | Scala framework - Sample Test Papers |

Question:
Which variable in Scala can save memory while declaring variables?

1.Mutable variables

2.Lazy Variables

3.Inherited Variables

4.None of these

Posted Date:-2022-11-27 12:00:09

More MCQS Questions and answers

  1. Identifiers in Scala are names given to -
  2. Is 'sealed' a keyword in Scala -
  3. Is the following identifier valid? 12Scala_3
  4. Scala programming language was developed by -
  5. The correct syntax for creating Single line comments in Scala is,
  6. The semicolon (;) in Scala is -
  7. The total number of keywords in Scala are -
  8. What is the scope of a local variable in Scala?
  9. Which of these is not a primary data type in Scala -
  10. A final method can be applied on?
  11. Based on Type Casting, which of these conversions is lossy or invalid?
  12. Converting Character to Integer will return
  13. Default values of string type when it is not initialized -
  14. Explicit Conversion is -
  15. Find the result of the following code block - (3 + 4 * 5) >>> 1
  16. How many types of operators are present in Scala?
  17. In Scala, can you return two values?
  18. Is Java required before installing Scala on the system?
  19. Lazy initialization is -
  20. Literal Identifier is -
  21. Literals in Scala are ___.
  22. Logical operators in Scala are used to -
  23. Relation operators are -
  24. Scala stands for ___.
  25. Statement returned by function when no values are returned in Scala - None of these
  26. The correct output of the below code block is - object MyClass { def main(args: Array[String]) { var a : Float = 454.32138988f var b : Double = a; printf("a = " + a + " b = " + b) } }
  27. The correct output of the following code is - object myObject { def main(args: Array[String]) { var _value1 = 54 var 3value_2 = 65 println("The sum of two values is " + (_value1 + value_2)) } }
  28. The correct output of the following code is, object MyClass { def main(args: Array[String]) { var i,j=0 for(i <- 0 to 3){ for(j <- 0 until 2){ if(i + j == 3){ print((i*j)+" ") } } } } }
  29. The final keyword in Scala is used to -
  30. The getClass() method is used to -
  31. The Scala compiler starts executing from -
  32. The size of integer data type in Scala is -
  33. Using a keyword as a value will lead to -
  34. What is the output of following code? val i = 43 i = 231 printf(i)
  35. What is the paradigm of the Scala programming language?
  36. What is the range defined by the below statement - range(13, 17, 2)
  37. What is the symbolic operator in Scala?
  38. What is the use of the "&=" operator in Scala -
  39. Which class is the super-class of all classes in Scala?
  40. Which is not a Scala method for printing text on the screen?
  41. Which of the following are not present in Scala?
  42. Which of the following is not a feature of Scala?
  43. Which of these is not a keyword in Scala?
  44. Which of these is not a type of identifier -
  45. Which Scala keyword is used to initialize a variable?
  46. Which type class does not inherit AnyVar?
  47. Which type in Scala is a subtype of all types -
  48. Which type of typecasting is done by the compiler?
  49. Which variable in Scala can save memory while declaring variables?
  50. Why is Double better than Float values?
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!