/**

* @(#)point.java

*

*

* @author

* @version 1.00 2009/10/23

*/

import javax.swing.JOptionPane;

public class point {

private String tendiem;

private float tungdo;

private float hoanhdo;

/* phuong thuc set*/

public void settendiem(String s){

tendiem=s;

}

public void sethoanhdo(float y){

hoanhdo=y;

}

public void settungdo(float x){

tungdo=x;

}

/* phuong thuc get*/

public String gettendiem(){

return tendiem;

}

public float gethoanhdo(){

return hoanhdo;

}

public float gettungdo(){

return tungdo;

}

/* ham khoi tao mac dinh*/

public point() {

settendiem("A");

sethoanhdo(0);

settungdo(0);

}

/* ham khoi tao 2 tham so*/

public point(float a,float b){

settendiem("noname");

sethoanhdo(a);

settungdo(b);

}

/* ham khoi tao 3 tham so*/

public point(String s,float a,float b){

settendiem(s);

sethoanhdo(a);

settungdo(b);

}

/* ham khoi tao 1 tham so co kieu la doi tuong */

public point(point x){

tendiem=x.tendiem;

hoanhdo=x.hoanhdo;

tungdo=x.tungdo;

}

/* ham nhap */

public void nhap(){

String strs;

float fa;

float fb;

strs=JOptionPane.showInputDialog(" nhap ten diem:");

fa=Float.parseFloat(JOptionPane.showInputDialog(null,"nhap hoanh do:"));

fb=Float.parseFloat(JOptionPane.showInputDialog(null,"nhap tung do:"));

this.tendiem=strs;

this.tungdo=fb;

this.hoanhdo=fa;

}

/* ham hien thi*/

public void show(){

JOptionPane.showMessageDialog(null,"point:"+ gettendiem()+"("+gethoanhdo()+","+gettungdo()+")");

}

/*ham main*/

public static void main(String args[]){

/* mac dinh*/

point obj1=new point();

obj1.show();

/* hai tham so*/

point obj2=new point(2,3);

obj2.show();

/* 3 tham so*/

point obj3=new point("B",2,3);

obj3.show();

/* 1 tham so*/

point obj4=new point("B",5,8);

point obj5=new point(obj4);

obj5.tendiem="B";

obj5.hoanhdo=5;

obj5.tungdo=8;

obj5.show();

point obj6=new point();

obj6.nhap();

obj6.show();

}

}