How to create and populate two-dimension Java array?

A two-dimensional array in Java is represented as an array of one-dimensional arrays of the same type. Mostly, it is used to represent a table of values with rows and columns −

Example

 Live Demo

public class Creating2DArray {

public static void main(String args[]) {
int[][] myArray = new int[3][3];
myArray[0][0] = 21;
myArray[0][1] = 22;
myArray[0][2] = 23;
myArray[1][0] = 24;
myArray[1][1] = 25;
myArray[1][2] = 26;
myArray[2][0] = 27;
myArray[2][1] = 28;
myArray[2][2] = 29;

for(int i=0; i<myArray.length; i++ ) {
for(int j=0;j<myArray.length; j++) {
System.out.println(myArray[i][j]);
}
}
}
}

Output

21
22
23
24
25
26
27
28
29