Java 超难题目

Java 超难题目

class Point
{
private double x,y,z;
public Point(double x, double y, double z)
{
setPoint(x,y,z);
}
public Point()
{}
public void setPoint(double x, double y, double z)
{
this.x = x;
this.y = y;
this.z = z;
}
public double getDistance()
{
return x*x+y*y+z*z;
}
public static void main(String[] args)
{
Point p = new Point(1,2,3);
System.out.println(p.getDistance());
p.setPoint(2,3,4);
System.out.println(p.getDistance());
}
}

请采纳

。。。。。。无语了

擦，这也叫难。。。。