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Thread: Having trouble with switch statements for a school work

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    Question Having trouble with switch statements for a school work

    We were asked to write a program that accepts 5 integers, select an arithmetic operation for odd and even, and perform the corresponding operation.
    Ive just been stuck on how I can make it that the inputs would be detected as odd or even AND then do the selected operation seperately for odd and even. This topic makes us focus on switch statements.

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    Default Re: Having trouble with switch statements for a school work

    how I can make it that the inputs would be detected as odd or even
    Test the lower order bit of an int to determine if it is odd or even. If the bit is 1, it is odd. Use the AND operator (&) with a 1.
    For example:
          System.out.println("odd " + (3 & 1) + ", even " + (4 & 1)); //  odd 1, even 0
    If you don't understand my answer, don't ignore it, ask a question.

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    Default Re: Having trouble with switch statements for a school work

    I need the actual values of the odd and even numbers to be added or substracted seperately, Im just really stuck on how could I do that.
    .

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    Default Re: Having trouble with switch statements for a school work

    I need the actual values of the odd and even numbers
    Where does the program get its input from? Are they entered by a user?
    The code I posted shows a way to determine if a number is even or odd.
    Here is another example:
          int val = 4;    // the number to test
          System.out.println((val & 1) == 1 ? "is odd" : "is even");
    The program would get a number from the user, test if it is even or odd and process accordingly:
    Get number from user
    if an even number
    process even number
    else process odd number
    If you don't understand my answer, don't ignore it, ask a question.

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