how to fill a 2d array in java
int rows = 5, column = 7; int[][] arr = new int[rows][column]; //2D arrays are row major, so always row first for (int row = 0; row < arr.length; row++) { for (int col = 0; col < arr[row].length; col++) { arr[row][col] = 5; //Whatever value you want to set them to } }
fill a two dimensional array with default value
for (double[] row: matrix) Arrays.fill(row, 1.0);
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