package com.gmail.sergiopartner;

import java.lang.reflect.Array;
import java.util.Arrays;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int[] a = new int[15];

		for (int i = 0; i < a.length; i += 1) {
			a[i] = (int) (Math.random() * 10);
		}
		int[] b = Arrays.copyOf(a, 30);
		System.out.println(Arrays.toString(a));
		int n = 0;
		for (int i = 15; i < b.length; i += 1) {
			b[i] = b[n] * 2;
			n += 1;
		}
		System.out.println(Arrays.toString(b));
	}

}