point1.java

来自「最近点对问题的图形界面实现」· Java 代码 · 共 33 行

package firstproblem;

import java.awt.Point;
/**
 * Point1 表示以X坐标排序的点
 * @author 何腾飞
 *
 */
public class Point1 extends Point implements Comparable{
	int id ; //点编号
	public Point1(int x,int y,int id){
		super(x,y);
		this.id = id;
	}
	@Override
	public int compareTo(Object o) {
		// TODO Auto-generated method stub
		Point1 p = (Point1)o;
		if(this.x < p.x)
			return -1;
		else if(this.x == p.x)
			return 0;
		else 
			return 1;
	}
	@Override
	public boolean equals(Object obj) {
		// TODO Auto-generated method stub
		return this.x == ((Point1)obj).x;
	}
	
}