Array Non Literal

public class Main {
    public static void main(String[] args) {
        int angka [] = new int [4];
    
        angka[0] = 20;
        angka[1]= 10;
        angka[2]= 14;
        angka[3]= 21;
    
        //Manual
        System.out.println("Angka 1 = "+angka[0]);
        System.out.println("Angka 2 = "+angka[1]);
        System.out.println("Angka 3 = "+angka[2]);
        System.out.println("Angka 4 = "+angka[3]);
        System.out.println("---------------------");
    
        //perulangan 
        for(int i = 0; i<angka.length; i++){
         System.out.println("Angka Ke-"+i+" = "+angka[i]);   
        }
        System.out.println("---------------------");
        
        int no =0;
        for(int i : angka){
            System.out.printf("Elemen Ke %d = %d%n ",no ,i);
            no++;
        }
    }
}