Java Aptitude

Java MCQ

Java Practice MCQ 3

  1. Suppose there are going to be lots and lots of elements in a List. You need to perform large number of insert and delete operations on this list. Which list class would be most preferable.

    A.

    B.

    C.

    D.

  2. Which of the following is not OOP concept?

    A.

    B.

    C.

    D.

  3. Choose the correct option about break statement in java

    A.

    B.

    C.

    D.

  4. Which of the following is used with Switch case?

    A.

    B.

    C.

    D.

  5. Which is not a decision making statement?

    A.

    B.

    C.

    D.

  6. Which loop will execute atleast once even when testing condition is false?

    A.

    B.

    C.

    D.

  7. Which is invalid identifier with main method?

    A.

    B.

    C.

    D.

  8. Correct extension of compiled java files is

    A.

    B.

    C.

    D.

  9. Partial abstraction in java is provided by

    A.

    B.

    C.

    D.

  10. Which of the following keyword helps in creating object in java?

    A.

    B.

    C.

    D.


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