JAVA MCQs - CSE MCQs Questions and Answers

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Which of the following is method of wrapper Integer for converting the value of an object into byte?

bytevalue()

byte bytevalue()

Bytevalue()

Byte Bytevalue()

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Which of these methods is used to obtain value of invoking object as a long?

long value()

long longValue()

Long longvalue()

Long Longvalue()

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Which of these class have only one field 'TYPE'?

Void

Process

System

Runtime

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Which of the following method of Process class can terminate a process?

void kill()

void destroy()

void terminate()

void exit()

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Standard output variable 'out' is defined in which class?

Void

Process

Runtime

System

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Which of these class can encapsulate an entire executing program?

Void

Process

Runtime

System

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Which of the following is method of System class is used to find how long a program takes to execute?

currenttime()

currentTime()

currentTimeMillis()

currenttimeMillis()

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Which of these class holds a collection of static methods and variables?

Void

Process

Runtime

System