Matrix Sum Program in JAVA

class MatrixSum{
    public static void main(String[] args)  {
        int array[][]= {{4,5,6},{6,8,9}};
        int array1[][]= {{5,4,6},{5,6,7}};
        System.out.println("Number of Row= " + array.length);
        System.out.println("Number of Column= " + array[1].length);
        int l= array.length;
        System.out.println("Matrix 1 : ");
        for(int i = 0; i < l; i++) {
            for(int j = 0; j <= l; j++) {
                System.out.print(" "+ array[i][j]);
            }
        System.out.println();
        }
        int m= array1.length;
        System.out.println("Matrix 2 : ");
        for(int i = 0; i < m; i++) {
            for(int j = 0; j <= m; j++) {
                System.out.print(" "+array1[i][j]);
            }
        System.out.println();
        }
        System.out.println("Addition of both matrix : ");
        for(int i = 0; i < m; i++) {
            for(int j = 0; j <= m; j++) {
                System.out.print(" "+(array[i][j]+array1[i][j]));
            }
        System.out.println();
        }
    }
}