display 2d array in java code example
Example 1: how to print a 2d array in java
for (int row = 0; row < arr.length; row++)//Cycles through rows
{
for (int col = 0; col < arr[row].length; col++)//Cycles through columns
{
System.out.printf("%5d", arr[row][col]); //change the %5d to however much space you want
}
System.out.println(); //Makes a new row
}
//This allows you to print the array as matrix
Example 2: accessing 2d array in java
(n x m matrix) - (3 x 2 matrix)
m n ------------------ >
| a[0][0] a[0][1] a[0][2]
v a[1][0] a[1][1] a[0][2]