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Core Java Multiple Choice Questions and Answers for Interview | Quiz MCQs

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Core Java multiple choice questions and answers for interview set with five mcqs from chapter Java programming fundamentals. Each quiz objective question has 4 options as possible answers. Choose your option and view given correct answer.
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(1) The new operator
[A] returns a pointer to a variable
[B] creates a variable called new
[C] obtains memory for a new variable
[D] tells how much memory is available

Comment

Answer: Option [C]
(2) Which of the following statement is correct?
[A] For positive numbers, result of operators >> and >>> are same
[B] Java provides two operators to do left shift <<< and <<
[C] >> is the zero fill right shift operator
[D] >>> is the signed right shift operator

Comment

Answer: Option [A]

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(3) Java language has support for which of the following types of comment ?
[A] block, line and javadoc
[B] javadoc, literal and string
[C] javadoc, char and string
[D] single, multiple and quote

Comment

Answer: Option [A]

Java supports three types of comments.

(i)Single line i.e. line e.g. //comment

(ii)Multi line i.e. block e.g. /*comment*/

(iii)Javadoc comments e.g. /**comment*/

(4) Command to execute a compiled java program is :
[A] javac
[B] java
[C] run
[D] execute

Comment

Answer: Option [B]
(5) The java compiler
[A] creates executable
[B] translates java source code to byte code
[C] creates classes
[D] produces java Interpreter

Comment

Answer: Option [B]

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