23일 차 Swing 입력하고 출력하기

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

public class Car {

public static void main(String[] args) {

Custom c = new Custom();

}

}

class Custom extends JFrame {

private JTextField field, field2, field3;

private JLabel label, label2, label3, label4;

private JPanel panel;

private JButton button, button2;

private ArrayList<String> list = new ArrayList<String>();

private ActionListener ml = new ml();

String color, speed, mileage;

public Custom() {

this.setTitle("두번째");

this.setSize(300, 400);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

field = new JTextField(5);

field2 = new JTextField(5);

field3 = new JTextField(5);

label = new JLabel("모든 자동차 내용 출력");

label2 = new JLabel("색상");

label3 = new JLabel("속도");

label4 = new JLabel("주행거리");

panel = new JPanel();

button = new JButton("입력");

button2 = new JButton("출력");

field.setText("");

field2.setText("");

field3.setText("");

button.addActionListener(ml);

button2.addActionListener(ml);

panel.add(label2);

panel.add(field);

panel.add(label3);

panel.add(field2);

panel.add(label4);

panel.add(field3);

panel.add(button);

panel.add(button2);

panel.add(label);

this.add(panel);

this.setVisible(true);

}

class ml implements ActionListener {

@Override

public void actionPerformed(ActionEvent e) {

// TODO Auto-generated method stub

if (e.getSource() == button) {

color = String.valueOf(field.getText());

speed = String.valueOf(field2.getText());

mileage = String.valueOf(field3.getText());

list.add(color);

list.add(speed);

list.add(mileage);

} else if (e.getSource() == button2) {

for (String c : list)

label.setText(list.toString());

}

}

}

}