Contoh Program

Source code :

public class abc {
    public static void main(String[] args) {
        int a = 64, n = 5, c = 0, d = n;
        String x;
        for (int i = 1; i <= n; i++) {
            x = "";
            if (i == d) {
                n = n * 2 - 1;
            }
            for (int j = 1; j <= i; j++) {
                if (i > d) {
                    if (j < d - c) {
                        System.out.print(j + " ");
                        x = x + String.valueOf((char) (a + j))+" ";
                    }else{
                        break;
                    }
                } else {
                    System.out.print(j + " ");
                    x = x + String.valueOf((char) (a + j))+" ";
                }
            }
            if (i > d) {
                c++;
            }
            System.out.print(" "+x);
            System.out.println("");
        }
    }
}