point2.java

最近点对问题的图形界面实现

package firstproblem;

import java.awt.Point;
/**
 * Point2 是以Y坐标排序的点
 * @author 何腾飞
 *
 */
public class Point2 extends Point implements Comparable {
	int p ;//同一点在数组X中的编号
	public Point2(){
		
	}
	public Point2(int x,int y,int p){
		super(x,y);
		this.p = p;
	}
	@Override
	public int compareTo(Object o) {
		// TODO Auto-generated method stub
		Point2 p = (Point2)o;
		if(this.y < p.y)
			return -1;
		else if(this.y == p.y)
			return 0;
		else 
			return 1;
	}

	@Override
	public boolean equals(Object obj) {
		// TODO Auto-generated method stub
		return this.y == ((Point2)obj).y;
	}
}