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Discussion :: JAVA MCQs

  1. With x = 0, which of the following are legal lines of Java code for changing the value of x to 1?

     1. x++;

     2. x = x + 1;

     3. x += 1;

     4. x =+ 1;

    2. A.
    1, 2 & 3
    B.
    1 & 4
    C.
    1, 2, 3 & 4
    D.
    3 & 2

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    Answer : Option D

    Explanation :

    Operator ++ increases value of variable by 1. x = x + 1 can also be written in shorthand form as x += 1. Also x =+ 1 will set the value of x to 1.

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