/* simple class that is used by StaticUser to demonstrate a class with static variables and methods */

public class StaticExample
{
	private int x;				// non static instance datum
	private static int y;		// static class-wide datum
	
	public StaticExample()
	{
		x=y=0;					// no-arg constructor initializes both data to 0
	}
	
	public StaticExample(int x)
	{
		this.x=x;				// another constructor which initializes the non-static datum
		y=0;					// while initializing the class-wide datum to 0
	}
	
	public void change(int x)
	{
		this.x=x;				// setter for instance datum, increments class-wide datum
		y++;					// so in effect, y is counting the number of times we change any x
	}
	
	public void inc()			// increment both x and y
	{
		x++;
		y++;
	}
	
	public static int getY()	// static method to return y
	{
		return y;
	}
	
}