Java MCQs with Answers | Programming – Page 2

Question 21 Java

Which of these operators is used to allocate memory to array variable in Java?

Correct answer D. new

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Question 22 Java

Which one is true about a constructor?

Correct answer D. All of the above

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Question 23 Java

Which symbol is used to contain the values of automatically initialized arrays?

Correct answer B. Braces

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Question 24 Java

Which one is a template for creating different objects?

Correct answer B. A class

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Question 25 Java

What is garbage collection in the context of Java?

Correct answer B. Memory used by the object with no reference is automatically reclaimeD.

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Question 26 Java

Java language was initially called as

Correct answer C. Oak

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Question 27 Java

Which variables are created when an object is created with the use of the keyword ‘new’ and destroyed when the object is destroyed?

Correct answer B. Instance variables

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Question 28 Java

Data type long literals are appended by

Correct answer D. Both A and B

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Question 29 Java

Which of these is returned by operator ‘&’?

Correct answer B. Character

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Question 30 Java

Which of these have highest precedence?

Correct answer A. ()

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Question 31 Java

Which of the following are not Java keywords?

Correct answer C. then

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Question 32 Java

What is byte code in Java?

Correct answer A. Code generated by a Java compiler

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Question 33 Java

Which provides runtime environment for java byte code to be executed?

Correct answer B. JVM

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Question 34 Java

In java control statements break, continue, return, try-catch-finally and assert belongs to?

Correct answer C. Transfer statements

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Question 35 Java

Who is known as father of Java Programming Language?

Correct answer A. James Gosling

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