룩앤필 사용하기

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class LookAndFeelTest extends JFrame
{
    // 예시로 쓰일 컴포넌트들
    JButton btn1 = new JButton("버튼");
    JTextField tf = new JTextField();
    JTextArea ta = new JTextArea();
    JComboBox<String> cb = new JComboBox<String>();
    JMenuBar mb = new JMenuBar();
    JMenu menu = new JMenu("메뉴");
    JMenuItem i1 = new JMenuItem("하위메뉴1");
    JMenuItem i2 = new JMenuItem("하위메뉴2");
    JMenuItem i3 = new JMenuItem("하위메뉴3");
    JScrollBar sb = new JScrollBar();
    JRadioButton rb = new JRadioButton("라디오 버튼");
    
    public LookAndFeelTest()
    {
        super("LookAndFeelTest");
        
        try {
            // 현재 가지고 있는 룩앤필 목록
            
//          UIManager.setLookAndFeel("ch.randelshofer.quaqua.QuaquaLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.acryl.AcrylLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.aero.AeroLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.aluminium.AluminiumLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.bernstein.BernsteinLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.fast.FastLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.graphite.GraphiteLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.hifi.HiFiLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.luna.LunaLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.mcwin.McWinLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.mint.MintLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.noire.NoireLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.smart.SmartLookAndFeel");
//          UIManager.setLookAndFeel("com.jtattoo.plaf.texture.TextureLookAndFeel");
//          UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
            
//          새롭게 작성된 JFrame이 현재의 룩앤필에 의해 제공되는 윈도우 수식(경계, 윈도우 클로즈, 타이틀바 등)을
//          사용할지 선택하는 함수이다. true인 경우 swing형식, false일 경우 현재 윈도우즈의 형식으로 변경
//          setDefaultLookAndFeelDecorated(true);       // 주석처리해도 사실 큰 차이는 없는 거 같다.
            
            } catch (Exception e) {}
                
        setBounds(300, 300, 300, 300);
        setLayout(new GridLayout(3, 2));
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        
        JPanel panel = new JPanel();
        panel.add(sb);
        
        cb.addItem("선택1");
        cb.addItem("선택2");
        cb.addItem("선택3");
        
        mb.add(menu);
        menu.add(i1);
        menu.add(i2);
        menu.add(i3);
        
        setJMenuBar(mb);
        
        add(btn1);
        add(tf);
        add(ta);
        add(cb);
        add(panel);
        add(rb);
        
        // 룩앤필을 적용한 후에는 추가한 컴포넌트들의 updateUI() 메소드를 호출해야 한다.
        btn1.updateUI();
        tf.updateUI();
        ta.updateUI();
        cb.updateUI();
        sb.updateUI();
        rb.updateUI();
        
        setVisible(true);
    }
        
    public static void main(String[] args)
    {
        new LookAndFeelTest();
    }
}