point.java

来自「由浅入深的介绍JAVAse的基本编程思想」· Java 代码 · 共 27 行

import java.lang.Number;
public class Point<T extends Number>{
	private T x;
	private T y;
	public Point(){
	}
	public Point(T x, T y){
		this.x = x;
		this.y = y;	
	}
	public T getX(){
		return x;	
	}
	public T getY(){
		return y;	
	}
	public void setX(T x){
		this.x = x;	
	}
	public void setY(T y){
		this.y = y;	
	}
	public void showInfo(){
		System.out.println("x=" + x + ",y=" + y);	
	}
}