Tag: programming languages

Questions Related to programming languages

Each pass through a loop is called a/an
technology programming languages

  1. enumeration

  2. iteration

  3. culmination

  4. pass through

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Correct Option: B

Which looping process checks the test condition at the end of the loop?
technology programming languages

  1. for

  2. while

  3. do-while

  4. no looping process checks the test condition at the end

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Correct Option: C

A continue statement causes execution to skip to
technology programming languages

  1. the return 0; statement

  2. the first statement after the loop

  3. the statement following the continue statement

  4. the next iteration of the loop

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Correct Option: D

Read the following program: public class test { public static void main(String [] args) { int x = 3; int y = 1; if (x = y) System.out.println("Not equal"); else System.out.println("Equal"); } } What is the result?
technology programming languages

  1. The output is “Equal”

  2. The output in “Not Equal”

  3. An error at " if (x = y)" causes compilation to fall.

  4. The program executes but no output is show on console.

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Correct Option: C

How you can force the garbage collection?
technology programming languages

  1. Using delete operator

  2. Using destructor

  3. Garbage collection is an automatic process & cant be forced.

  4. None of the above

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Correct Option: C

Difference between Swing and AWT?
technology programming languages

  1. AWT are light-weight componenets. Swings are heavy-weight components.

  2. AWT is platform independent. SWING is platform dependent.

  3. AWT are heavy-weight componenets. Swings are light-weight components.

  4. None of the above

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Correct Option: C

Can I have multiple methods in the same class?
technology programming languages

  1. True

  2. False

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Correct Option: B

Which of the following are legal identifiers?
technology programming languages

  1. 2variable

  2. variable2

  3. _whatavariable

  4. 3

  5. #myvar

  6. $anothervar

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Correct Option: B,C,D,F

What will happen when you compile and run the following code? public class MyClass{ static int i; public static void main(String argv[]){ System.out.println(i); } }
technology programming languages

  1. Error Variable i may not have been initialized

  2. null

  3. 1

  4. 0

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Correct Option: D

What will happen if you try to compile and run the following code? public class Q { public static void main(String argv[]){ int anar[]=new int[5]; System.out.println(anar[0]); } }
technology programming languages

  1. Error: anar is referenced before it is initialized

  2. null

  3. 0

  4. 5

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Correct Option: C