Java MCQs with answers Page - 6

Here, you will find a collection of MCQ questions on Java. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Java source files are compiled and converted to

  • (A) Object code
  • (B) machine code
  • (C) Bytecode
  • (D) executable file

A

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Q. JVM is ___________for bytecode.

  • (A) a compiler
  • (B) an interpreter
  • (C) assembler
  • (D) none of the above

A

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Q. What is the size of int data type in java?

  • (A) 1 bytes
  • (B) 2 bytes
  • (C) 4 bytes
  • (D) 8 bytes

A

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Q. Which is a valid float literal?

  • (A) 1.23
  • (B) 2
  • (C) 1.23d
  • (D) 1.23f

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Q. What is the numerical range of a char in Java?

  • (A) -128 to 127
  • (B) 0 to 256
  • (C) 0 to 32767
  • (D) 0 to 65535

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Q. Which of these coding types is used for data type char in Java?

  • (A) ASCII
  • (B) ISO-LATIN-1
  • (C) UNICODE
  • (D) None of the mentioned

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Q. Which of these values can a boolean variable contain?

  • (A) True & False
  • (B) 0 & 1
  • (C) Any integer value.
  • (D) Both a & b

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Q. Which one of the following is a valid identifier in java?

  • (A) x1
  • (B) 1x
  • (C) $x
  • (D) x 1

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Q. Which operator is used to implement unsigned right shift of an integer?

  • (A) <<
  • (B) >>
  • (C) <<<
  • (D) >>>

A

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Q. Which one of the following is a jump statement in java?

  • (A) goto
  • (B) jump
  • (C) break
  • (D) if

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