class Point {
double x,y,z;
Point (double _x,double _y,double _z){
x=_x;
y=_y;
z=_z;
}
void setX(double _x){
x=_x;
}
double setDistinds (Point p){
return (x-p.x)*(x-p.x)+(y-p.y)*(y-p.y)+(z-p.z)*(z-p.z);
}
}
public class TestPoint{
public static void main(String args[]){
Point p =new Point (1.0,2.0,3.0);
Point p1 =new Point(0.0,0.0,0.0);
System.out.println(p.setDistinds (p1));
p.setX(5.0);
System.out.println(p.setDistinds (new Point (1.0,1.0,1.0)));
}
}
double x,y,z;
Point (double _x,double _y,double _z){
x=_x;
y=_y;
z=_z;
}
void setX(double _x){
x=_x;
}
double setDistinds (Point p){
return (x-p.x)*(x-p.x)+(y-p.y)*(y-p.y)+(z-p.z)*(z-p.z);
}
}
public class TestPoint{
public static void main(String args[]){
Point p =new Point (1.0,2.0,3.0);
Point p1 =new Point(0.0,0.0,0.0);
System.out.println(p.setDistinds (p1));
p.setX(5.0);
System.out.println(p.setDistinds (new Point (1.0,1.0,1.0)));
}
}
解决方案 »
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