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Data Types MCQ Questions and Answers

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Java Datatypes MCQ Questions and Answers: Here learn quiz questions on Java Datatypes for competitive exam and download most important objective questions of datatypes. 

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1) What is the range of short data type in Java?

    -128 to 127
    -32768 to 32767
    -2147483648 to 2147483647
    None of the mentioned

Answer : B Discuss

2) What is the range of byte data type in Java?

    -128 to 127
    -32768 to 32767
    -2147483648 to 2147483647
    None of the mentioned

Answer : A Discuss

3) Which of these literals can be contained in float data type variable?

    -1.7e+308
    -3.4e+038
    +1.7e+308
    -3.4e+050

Answer : B Discuss

4) Which data type value is returned by all transcendental math functions?

    int
    float
    double
    long

Answer : C Discuss

5) What is the numerical range of a char data type in Java?

    -128 to 127
    0 to 256
    0 to 32767
    0 to 65535

Answer : D Discuss

6) Which of these coding types is used for data type characters in Java?

    ASCII
    ISO-LATIN-1
    UNICODE
    None of the mentioned

Answer : C Discuss

7) How many primitive data types are there in Java?

    6
    7
    8
    9

Answer : C Discuss

8) In Java byte, short, int and long all of these are

    signed
    unsigned
    Both of the above
    None of these

Answer : A Discuss

9) Size of int in Java is

    16 bit
    32 bit
    64 bit
    Depends on execution environment

Answer : B Discuss

10) The smallest integer type is _____ and its size is _____ bits.

    short, 8
    byte, 8
    short, 16
    short, 16

Answer : B Discuss

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