Help printing out 2 dim array row.


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  1. #1
    Join Date
    Feb 2006
    Posts
    9

    Help printing out 2 dim array row.

    int[][] A={1,2,3,4},
    {2,3,4,5},
    {3,4,5,6}};

    for(i=0; i<3; i++){
    for(j=0; j<4; j++){
    System.out.print(A[i][j] "\t");
    }
    System.out.println();


    PLEASE HELP
    Trying to find out what i can do to get an output with the total row on the right side for example
    Total
    1 2 3 4 10
    2 3 4 5 14
    3 4 5 6 18

  2. #2
    Join Date
    Dec 2005
    Location
    New Jersey
    Posts
    290
    You could do something like:
    Code:
    
    int[][] array = new int[][] {
        { 1, 2, 3, 4 },
        { 2, 3, 4, 5 },
        { 3, 4, 5, 6 }
    };
    
    for (int i = 0; i < array.length; i++) {
        int sum = 0;
        for (int j = 0; j < array[i].length; j++) {
            sum += array[i][j];
            System.out.print(array[i][j] + " ");
            if (j == array[i].length - 1) {
                System.out.println(sum);
            }
        }
    }

  3. #3
    Join Date
    Feb 2006
    Posts
    9
    Thanks that works.

  4. #4
    Join Date
    Dec 2005
    Location
    New Jersey
    Posts
    290
    Yes, but do you understand it? If not, please ask.

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