求高手用JAVA帮我设计一个完整的Point类，可以计算两点之间距离和中间点坐标的，万分感谢！

如题所述

你好，程序如下：

public class Point {

double x1,x2,y1,y2;
double d,x3,y3;
Point(double x1,double y1,double x2,double y2){//构造方法
this.x1 = x1;
this.x2 = x2;
this.y1 = y1;
this.y2 = y2;
}
void TestPoint(){//求距离和中点坐标
x3 = (x1 + x2)/2;
y3 = (y1 + y2)/2;
d = Math.sqrt((x1 - x2)*(x1 - x2) + (y1 - y2)*(y1 - y2));

System.out.println("(" + x3 + ","+ y3 + ")");
System.out.println(d);
}

public static void main(String[] args) {
Point p = new Point(1,1,2,2);
p.TestPoint();

}

}
如果还有其他要求的话，我再改进一下。追问

Point这个函数改成Point(x,y),里面只有两个参数的，谢谢！

追答

public class Point {

double x,y;
double d;
Point(double a,double b){
x = a;
y = b;
}

void TestPoint(Point p1,Point p2){
x = (p1.x + p2.x)/2;
y = (p1.y + p2.y)/2;
System.out.println("(" + x + ","+ y + ")");
}

void juli(Point p1,Point p2){
d = Math.sqrt((p1.x - p2.x)*(p1.x - p2.x) + (p1.y - p2.y)*(p1.y - p2.y));
System.out.println(d);
}
public static void main(String[] args) {

Point p = new Point(0,0);
Point p1 = new Point(1,1);
Point p2 = new Point(2,2);
p.TestPoint(p1, p2);
p.juli(p1, p2);
}

}
修改下。

追问

万分感谢啊兄弟！

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