2d array java
Two dimensional array:
int[][] twoD_arr = new int[10][20];
Three dimensional array:
int[][][] threeD_arr = new int[10][20][30];
int[][] arr = new int[m][n]; char[][] array = new int[rows][columns];int[][] arr = new int[row][column]; //Length
int[][]arr= new int [filas][columnas];
arr.length=filas;
int[][] a = {
{1, 2, 3},
{4, 5, 6, 9},
{7},
};
// calculate the length of each row
System.out.println("Length of row 1: " + a[0].length);
System.out.println("Length of row 2: " + a[1].length);
System.out.println("Length of row 3: " + a[2].length);
}
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