package java3;

import java.awt.BorderLayout;

import java.awt.Button;

import java.awt.Color;

import java.awt.Font;

import java.awt.Frame;

import java.awt.Graphics;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.util.Arrays;

import java.util.Random;

public class LottoFrame extends Frame

implements ActionListener{

Button btn;

int lotto[] = new int[6];

public LottoFrame() {

setSize(400, 200);

setBackground(Color.gray);

setVisible(true);

btn = new Button("로또");

btn.addActionListener(this);

add(btn,BorderLayout.SOUTH);

addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e){

System.exit(0);

}

});

}

public static void main(String[] args) {

new LottoFrame();

}

public void paint(Graphics g){

g.setColor(Color.white);

Font f = new Font("궁서체",Font.BOLD,25);

g.setFont(f);

if(lotto[0]==0){

g.drawString("로또 버튼을 클릭하세요.", 50, 100);

return;

}

for (int i = 0, x =50; i < lotto.length; i++, x+=50) {

g.drawString(lotto[i]+"", x , 100);

}

}

@Override

public void actionPerformed(ActionEvent e) {

lotto = getLotto();

repaint();

}

public int[] getLotto(){

int[] lotto = new int[6]; // 로또배열을 만들어줌.

Random r = new Random();

for (int i = 0; i < 6; i++) { // 배열만큼 반복

int j = r.nextInt(45) + 1;

lotto[i] = j; // 배열에 랜덤으로 값을 집어넣음.

for (int e = 0; e < i; e++) { // 중복값 확인을 위해 e라는 변수를 주어서 i만큼 반복함

if (lotto[i] == lotto[e]) { // 중복값을 비교함 만약 중복이면

i = i - 1;

break;

}

}

}

Arrays.sort(lotto);

return lotto;

}

}