public static void main(String[] args) {
		int[] numbers = new int[8];
		numbers[1] = 3;
		numbers[4] = 99;
		numbers[6] = 2;
	
		int x = numbers[1];
		numbers[x] = 42;
		numbers[numbers[6]] = 11;
		
		for(int i=0; i<8; i++) {
			System.out.print(numbers[i] + " ");
		}
		System.out.println(); }
}
//output:
0 3 11 42 99 0 2 0 

name.length
for(int i=0; i<numbers.length; i++) {
			System.out.print(numbers[i] + " ");
		}
//output
0 3 11 42 99 0 2 0 

//sometimnes we assign each element a value in loop

		for(int i=0; i<8; i++) {
			numbers[i] = 2 * i;
			System.out.println(numbers[i]);
        }
//output.
0
2
4
6
8
10
12
14