/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int source[] = {1, 2, 3};
		int copy[] = source;
		copy[0] = 9;
		System.out.println(Arrays.toString(source));
	}
}