자바 awt를 이용해 음식 메뉴 랜덤선택하기

다운 !

선택장애를위한밥고민하지마.exe

사용법

원하는 음식을 넣고    넣어!

다 넣으시면 돌려! 를 누르시면 한개가 나옵니다.

import java.awt.Button;

import java.awt.Component;

import java.awt.FlowLayout;

import java.awt.Frame;

import java.awt.List;

import java.awt.TextField;

import java.awt.Window;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.util.ArrayList;

import java.util.Random;

class Myframe extends Frame {

Button b1, b2,b3;

TextField t1, t2;

List l1;

Myframe(String a) {

super(a);

b1 = new Button("돌려!");

b2 = new Button("넣어!");

b3 = new Button("초기화");

t1 = new TextField(15);

t2 = new TextField(10);

l1 = new List();

}

void addComponent() {

add(t1);

add(b2);

add(b1);

add(t2);

add(b3);

add(l1);

}

void registerEvent() {

Test test = new Test();

b1.addActionListener(test);

b2.addActionListener(test);

this.addWindowListener(test);

b3.addActionListener(test);

}

}

class Test extends WindowAdapter implements ActionListener {

Random r = new Random();

Button b1, b2,b3;// b1=돌려

// b2=넣어

TextField t1, t2;// t1-값받는곳

// t2-값넣는곳

static int i = 0;

List l1;

@Override

public void windowClosing(WindowEvent e) {

Window z = e.getWindow();

System.exit(0);

}

 ArrayList<String> b = new ArrayList<String>();

int k;

public void actionPerformed(ActionEvent e) {

Button b1 = (Button) e.getSource();

Frame f = (Frame) b1.getParent();

Component[] cp = f.getComponents();

t1 = (TextField) cp[0];

b2 = (Button) cp[1];

b1 = (Button) cp[2];

t2 = (TextField) cp[3];

b3 = (Button) cp[4];

l1 = (List) cp[5];

try {

if (e.getActionCommand() == "넣어!"){

b.add(t1.getText());

l1.add(t1.getText());

t1.setText("");

}

else if (e.getActionCommand() == "돌려!") {

k=(int)(Math.random() * b.size());

t2.setText(b.get(k));

}

} catch (Exception ee) {

t2.setText("아무값도 없써용!!");

}

if(e.getActionCommand() == "초기화"){

l1.removeAll();

b.removeAll(b);

t2.setText("");

}

}

}

class Table {

public static void main(String[] args) {

Myframe f = new Myframe("밥고민하지마세요");

f.setVisible(true);

f.setBounds(600, 600, 500, 300);

f.setLayout(new FlowLayout());

f.addComponent();

f.registerEvent();

}

}