// By Haw-ren Fang, TA of cmsc420 section 0401, Spring 2002

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

public class Quadnode {
	private Patch patch;
	private Quadnode [] child = new Quadnode[4];

	public Quadnode() {}

	public Quadnode(Patch p) {
		patch = p;
	}

	public void setPatch(Patch p) {
		patch = p;
	}

	public Patch getPatch() {
		return patch;
	}

	public void setChild(int index, Quadnode theChild) {
		child[index] = theChild;
	}

	public Quadnode getChild(int index) {
		return child[index];
	}
}