Enter the Matrix of rows and columns entered by the user and print in matrix format

public class MatrixPrint {
public static void main(String[] args) {
int[][] a = {
{1, 2},
{3, 4}
};
for(int i=0; i<2; i++) {
for(int j=0; j<2; j++) {
System.out.print(a[i][j] + " ");
}
System.out.println();
}
}
}

Output: