package cecs564_p1;

public class Utils 
{
	private static final int X0 = 0;
	private static final int Y0 = 0;
}

package cecs564_p1;

public class Utils 
{
	private static final int X0 = 0;
	private static final int Y0 = 0;
	
	public static void encrypt()
	{
		
	}
	
	public static void decrypt()
	{
		
	}
	
	public static void attack()
	{
		
	}
}

Add method skeletons.