contoh program matriks

package javaapplication27;

/**
 *
 * @author Lenovo
 */
public class tugas {
    public static void main(String[] args) {
        int matriks1 [][]=new int [2][2];
        matriks1 [0][0]=1;
        matriks1 [0][1]=2;
        matriks1 [1][0]=3;
        matriks1 [1][1]=4;
        int matriks2 [][]=new int [2][2];
        matriks2 [0][0]=5;
        matriks2 [0][1]=6;
        matriks2 [1][0]=7;
        matriks2 [1][1]=8;
        System.out.println((matriks1 [0][0]+matriks2 [0][0])+" "+(matriks1[0][1]+ matriks2[0][1]));
        System.out.println((matriks1 [1][0]+matriks2 [1][0])+" "+(matriks1[1][1]+ matriks2[1][1]));
    }
}

contoh program 2
package javaapplication27;

/**
 *
 * @author Lenovo
 */
public class tugas2 {
    public static void main(String[] args) {
    String [][] matriks ={{"a","b","c","d"},
            {"e","f","g","h"}};
       System.out.println( matriks[0][0]+"+"+matriks[1][0]+" "+matriks[0][1]+"+"+ matriks[1][1]);
    System.out.println( matriks[0][2]+"+"+matriks[1][2]+" "+matriks[0][3]+"+"+ matriks[1][3]);
}
}