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Thread: How do you add a value to a 2-d array by row number and column number?

  1. #1
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    Default How do you add a value to a 2-d array by row number and column number?

    Let's say I have a 2-d array of doubles of 3 rows and 5 columns named sales
    double [][] sales = new double [3][5];

    How do i add a value to a specific row and column, or cell? I am trying to write a program that asks user for the row number, the column number, the value to input and add that value to the cell/row and column?


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    Super Moderator Norm's Avatar
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    Default Re: How do you add a value to a 2-d array by row number and column number?

    You can change the contents of an array by assigning it a value using indexes:
    theArray{theRow][theCol] = theValue; //  assign value to slot

    Remember indexes start at 0 and go to the array length-1
    If you don't understand my answer, don't ignore it, ask a question.

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