接口-point

package homework;

public class Point {

    private double X;
    private double Y;
    private double Z;
    
    
    
    public double getX() {
        return X;
    }



    public void setX(double x) {
        X = x;
    }



    public double getY() {
        return Y;
    }



    public void setY(double y) {
        Y = y;
    }



    public double getZ() {
        return Z;
    }



    public void setZ(double z) {
        Z = z;
    }



    Point(double x,double y,double z)
    {
        this.X=x;
        this.Y=y;
        this.Z=z;
    }
    
    
    public void juli()
    {
        
        double s=X*X+Y*Y+Z*Z;
        System.out.println("点距原点距离的平方为："+s);
    }
    
    public static void main(String args[])
    {
        
        Point pp=new Point(9,3.3,12);
        pp.setX(3);
        pp.juli();
        
        
        
    }
    
    
    
    
    
    
}