ตอนนี้ เป็น code เกี่ยวกับ knight โจมตี dragon แบบ 1-1 แต่อยากจะเปลื่ยนให้ dragon มี 3 โจมตี knight 1

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

class Character extends JLabel implements Runnable{
	private String name;
	private int hp, atk, def;
	private Thread t = new Thread(this);
	private Character opponent;
	Character(String n, int hpMax, int atkMax, int defMax){
		name = n;
		hp = (int)(Math.random() * (hpMax - 1000)) + 1000;//อยู่ในช่วง 1000 - hpMax
		atk = (int)(Math.random() * (atkMax - 500)) + 500;//อยู่ในช่วง 500 - atkMax
		def = (int)(Math.random() * (defMax - 100)) + 100;//อยู่ในช่วง 100 - defMax
	}
	void setOpponent(Character ch){
		opponent = ch;
	}
	public void run(){
		long time;
		while(hp > 0 && opponent.getHp() > 0){
			time = (long)(Math.random() * 1500) + 500;
			try {
				Thread.sleep(time);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			if(hp > 0 && opponent.getHp() > 0){
				opponent.getAttack(atk);
//				System.out.println(name + " attack " + opponent.getName());
//				System.out.println(opponent.getName() + ": HP = " + opponent.getHp() + ", DEF = " + opponent.getDef() + ", ATK = " + opponent.getAtk());
				opponent.setText(opponent.getName() + ": HP = " + opponent.getHp() + ", ATK = " + opponent.getAtk() + ", DEF = " + opponent.getDef());
			}
		}
	}
	void start(){
		t.start();
	}
	public String getName(){ return name; }
	int getHp(){ return hp; }
	int getAtk(){ return atk; }
	int getDef(){ return def; }
	void getAttack(int attack){
		if(attack > def){
			hp = hp - attack;
			if(hp < 0){
				hp = 0;
			}
		}
	}
}
class app extends JFrame{
	JLabel lb1 = new JLabel("Dragon");
	JLabel lb2 = new JLabel("Knight");
	JLabel lb3 = new JLabel("Dragon2");
	JLabel lb4 = new JLabel("Dragon3");
	JButton b1 = new JButton("Start");
	JButton b2 = new JButton("Exit");
	JPanel jp = new JPanel(),jp2 = new JPanel();
	buttonEvent be = new buttonEvent();
	Character c1 = new Character("Knight", 100000, 2000, 1000);
	Character c2 = new Character("Dragon", 50000, 3000, 1000);
	Character c3 = new Character("Dragon2", 50000, 3000, 1000);
	Character c4 = new Character("Dragon3", 50000, 3000, 1000);
	
	app(){
		super("Dragon && Knight");
		c1.setText(c1.getName() + ": HP = " + c1.getHp() + ", ATK = " + c1.getAtk() + ", DEF = " + c1.getDef());
		c2.setText(c2.getName() + ": HP = " + c2.getHp() + ", ATK = " + c2.getAtk() + ", DEF = " + c2.getDef());
		c3.setText(c3.getName() + ": HP = " + c3.getHp() + ", ATK = " + c3.getAtk() + ", DEF = " + c3.getDef());
		c4.setText(c4.getName() + ": HP = " + c4.getHp() + ", ATK = " + c4.getAtk() + ", DEF = " + c4.getDef());

		
		jp2.setLayout(new GridLayout(4,1));
		jp2.add(c1);
		jp2.add(c2);
		jp2.add(c3);
		jp2.add(c4);
		add(jp2, BorderLayout.NORTH);
		//add(c2, BorderLayout.WEST);
		
		jp.setLayout(new FlowLayout());
		b1.addActionListener(be);
		b2.addActionListener(be);
		jp.add(b1);
		jp.add(b2);
		add(jp, BorderLayout.SOUTH);
		
		
		setSize(300, 300);
		show();
	}
	class buttonEvent implements ActionListener{

		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			if(e.getSource() == b1){
				JOptionPane.showMessageDialog(null, "You click Start");
				c1.setOpponent(c2);
				c2.setOpponent(c1);
				c1.start();
				c2.start();
				b1.setEnabled(false);
			}
			if(e.getSource() == b2){
//				JOptionPane.showMessageDialog(null, "You click Exit");
				System.exit(0);
			}
		}
		
	}
}
public class Control_2 {
	public static void main(String[] a){
//		c1.start();
//		c2.start();
		
		app ap = new app();
/*		
		while(c1.getHp() > 0 && c2.getHp() > 0){
			c2.getAttack(c1.getAtk());
			System.out.println(c1.getName() + " attack " + c2.getName());
			System.out.println(c2.getName() + ": HP = " + c2.getHp() + ", DEF = " + c2.getDef() + ", ATK = " + c2.getAtk());
			if(c2.getHp() > 0){
				c1.getAttack(c2.getAtk());
				System.out.println(c2.getName() + " attack " + c1.getName());
				System.out.println(c1.getName() + ": HP = " + c1.getHp() + ", DEF = " + c1.getDef() + ", ATK = " + c1.getAtk());
			}
		}
*/		
	}
	
}