public class Point {
double x,y,z;
public Point(double _x, double _y,double _z){
x=_x;
y=_y;
z=_z;
}
public void setx(double _x){
x = _x;
}
public void sety(double _y){
y=_y;
}
public void setz(double _z){
z=_z;
}
public double distance(Point p){
double result = Math.sqrt((x-p.x)*(x-p.x)+(y-p.y)*(y-p.y)+(z-p.z)*(z-p.z));
return result;
}
public static void main(String[] args) {
Point s=new Point(1,2,3);
Point s1=new Point(1,2,3);
System.out.println(s.distance(s1));
}
}
说明：本人小白一枚，在自学Java，不要笑话我