import java.util.Arrays;
import java.util.ArrayList;

public class Loop
{
    public static void main(String[] args)
    {
        int[] arr = new int[]{1,2,3,4,5,6,7,8};
        ArrayList<String> nums = new ArrayList<>();
        // C-style for loop
        // for(init; test; between)
        // {
        //     BLOCK
        // }
        /*for(int k = 0; k <= 20; k++)
        {
            nums.add("" + (k*k*k));
        }*/ //variable k dies when loop exits
        int k = 0;
        while(k <= 20)
        {
            nums.add("" + (k*k*k));
            k++;
        }
        //now convert the C-style for loop into a while loop

        System.out.println(Arrays.toString(arr));
        System.out.println(nums);
        for(int entry: arr)   //for entry in arr
        {
            System.out.println(entry);
        }
        for(String s: nums)
        {
            System.out.println(s);
        }

    }
}