자바18일차

오늘의 코드

package edu.java.gui09;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JCheckBox;
import javax.swing.JTextArea;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class GuiMain09 {

	private JFrame frame;
	private JButton btnOutput;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					GuiMain09 window = new GuiMain09();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public GuiMain09() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);
		
		JTextArea textArea = new JTextArea();
		textArea.setBounds(8, 35, 414, 216);
		frame.getContentPane().add(textArea);
		
		JCheckBox chckbxMusic = new JCheckBox("음악");
		chckbxMusic.setBounds(8, 6, 59, 23);
		frame.getContentPane().add(chckbxMusic);
		
		JCheckBox chckbxMovie = new JCheckBox("영화");
		chckbxMovie.setBounds(71, 6, 59, 23);
		frame.getContentPane().add(chckbxMovie);
		
		JCheckBox chckbxReading = new JCheckBox("독서");
		chckbxReading.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if(chckbxReading.isSelected()) {
					btnOutput.setEnabled(false);
				} else {
					btnOutput.setEnabled(true);
				}
			}
		});
		chckbxReading.setBounds(134, 6, 59, 23);
		frame.getContentPane().add(chckbxReading);
		
		
		
		
		btnOutput = new JButton("출력");
		btnOutput.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				String result = "음악 : " + chckbxMusic.isSelected() + "\n" + "영화 : " + chckbxMovie.isSelected() + "\n" + "독서 : " +chckbxReading.isSelected() + "\n";
				textArea.setText(result);
			}
		});
		btnOutput.setBounds(325, 6, 97, 23);
		frame.getContentPane().add(btnOutput);
	}
}

package edu.java.gui08;

import java.awt.EventQueue;
import java.awt.Font;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class GuiMain08 {

	private JFrame frame;
	private static final ImageIcon[] IMAGE_ICONS = {
			new ImageIcon("res/dog1.jpg"),
			new ImageIcon("res/dog2.jpg"),
			new ImageIcon("res/dog3.jpg"),
			new ImageIcon("res/dog4.jpg")
	};

	private int index = 0;

	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					GuiMain08 window = new GuiMain08();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	public GuiMain08() {
		initialize();
	}

	private void initialize() {
		frame = new JFrame();
		
		frame.setBounds(100, 100, 465, 646);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);

		JLabel lblOutput = new JLabel();
		
		lblOutput.setIcon(IMAGE_ICONS[0]);
		
		lblOutput.setFont(new Font("굴림", Font.BOLD, 42));
		lblOutput.setBounds(12, 10, 423, 216);
		frame.getContentPane().add(lblOutput);

		JButton btnPrev = new JButton("이전");
		btnPrev.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if (index > 0) {
					index--;
				} else {
					index = IMAGE_ICONS.length - 1;
				}
				lblOutput.setIcon(IMAGE_ICONS[index]);
			}
		});
		
		btnPrev.setBounds(12, 230, 204, 247);
		frame.getContentPane().add(btnPrev);

		JButton btnNext = new JButton("다음");
		btnNext.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if (index < IMAGE_ICONS.length - 1) {
					index++;
				} else { // 초기화
					index = 0;
				}
				lblOutput.setIcon(IMAGE_ICONS[index]);
			}
		});
		
		btnNext.setBounds(224, 230, 211, 247);
		frame.getContentPane().add(btnNext);

		JButton btnNewButton = new JButton("랜덤");
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				double rX = Math.random();

				int x = (int) (IMAGE_ICONS.length * rX);
				lblOutput.setIcon(IMAGE_ICONS[x]);
			}
		});
		
		btnNewButton.setBounds(173, 518, 97, 23);
		frame.getContentPane().add(btnNewButton);
	}

}

package edu.java.gui09;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JCheckBox;
import javax.swing.JTextArea;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class GuiMain09 {

	private JFrame frame;
	private JButton btnOutput;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					GuiMain09 window = new GuiMain09();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public GuiMain09() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);
		
		JTextArea textArea = new JTextArea();
		textArea.setBounds(8, 35, 414, 216);
		frame.getContentPane().add(textArea);
		
		JCheckBox chckbxMusic = new JCheckBox("음악");
		chckbxMusic.setBounds(8, 6, 59, 23);
		frame.getContentPane().add(chckbxMusic);
		
		JCheckBox chckbxMovie = new JCheckBox("영화");
		chckbxMovie.setBounds(71, 6, 59, 23);
		frame.getContentPane().add(chckbxMovie);
		
		JCheckBox chckbxReading = new JCheckBox("독서");
		chckbxReading.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				if(chckbxReading.isSelected()) {
					btnOutput.setEnabled(false);
				} else {
					btnOutput.setEnabled(true);
				}
			}
		});
		chckbxReading.setBounds(134, 6, 59, 23);
		frame.getContentPane().add(chckbxReading);
		
		
		
		
		btnOutput = new JButton("출력");
		btnOutput.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				String result = "음악 : " + chckbxMusic.isSelected() + "\n" + "영화 : " + chckbxMovie.isSelected() + "\n" + "독서 : " +chckbxReading.isSelected() + "\n";
				textArea.setText(result);
			}
		});
		btnOutput.setBounds(325, 6, 97, 23);
		frame.getContentPane().add(btnOutput);
	}
}

package edu.java.gui10;

import java.awt.EventQueue;

import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JSeparator;
import java.awt.event.ActionListener;
import java.io.File;
import java.awt.event.ActionEvent;

public class GuiMain10 {

	private JFrame frame;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					GuiMain10 window = new GuiMain10();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public GuiMain10() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		JMenuBar menuBar = new JMenuBar();
		frame.setJMenuBar(menuBar);
		
		JMenu mnFile = new JMenu("File");
		menuBar.add(mnFile);
		
		JMenuItem mntmOpen = new JMenuItem("Open");
		mntmOpen.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				// JFileChooser : 파일을 선택할 수 있는 팝업창
				System.out.println("클릭!"); // 이해가 안되면 로그!
				JFileChooser chooser = new JFileChooser();
				int result = chooser.showOpenDialog(null);
				System.out.println(result);
				if(result == JFileChooser.APPROVE_OPTION) { // 확인 버튼 클릭시
					System.out.println("파일 선택");
					File seleced = chooser.getSelectedFile();
					System.out.println(seleced.getAbsolutePath());
				} else { // 취소 버튼 클릭시
					System.out.println("취소");
				}

			}
		});
		mnFile.add(mntmOpen);
		
		JMenuItem mntmSave = new JMenuItem("Save");
		mntmSave.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
			}
		});
		mnFile.add(mntmSave);
		
		JSeparator separator = new JSeparator();
		mnFile.add(separator);
		
		JMenuItem mntmExit = new JMenuItem("Exit");
		mntmExit.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				// ConfirmDialog :
				// Yes(확인) - No(아니요) - Cancel(취소) 버튼을 갖는 다이얼로그
				int result = JOptionPane.showConfirmDialog(frame.getContentPane(), "종료하시겠습니까?"); // 컴퍼넌트의 자식들이다. (즉 다형성)
				// parantComponent : 부모 컴퍼넌트를 설정.
				// 현재 컴퍼넌트를 보여줄 위치 설정
				System.out.println("선택 결과 : " + result);
				if(result == JOptionPane.YES_OPTION) {
					// 프로그램 동료 :
					// System.exit(0); 정상 종료
					// System.exit(0 이외의 숫자); 비정상 종료
					System.exit(0);
				} else {
					System.out.println("취소");
				}
			}
		});
		mnFile.add(mntmExit);
		
		JMenu mnHelp = new JMenu("Help");
		menuBar.add(mnHelp);
		
		JMenuItem mntmAbout = new JMenuItem("About");
		mntmAbout.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				// 메시지와 Ok 버튼만 있는 다이얼로그 : MessageDialog
				JOptionPane.showMessageDialog(frame, "버전 1.0");
			}
		});
		mnHelp.add(mntmAbout);
		frame.getContentPane().setLayout(null);
	} // end initialize() 
} // 

package edu.java.gui11;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JButton;
import java.awt.Font;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class GuiMain11 {

	private JFrame frame;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					GuiMain11 window = new GuiMain11();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public GuiMain11() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);
		
		JButton btn1 = new JButton("New Frame");
		btn1.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
//				JFrame myFrame = new JFrame();
//				myFrame.setBounds(10, 10, 400, 400);
//				myFrame.setVisible(true);
				
				// 일반적으로 새로운 프레임이나, 다이얼로그를 생성할 때는
				// 각 클래스들을 상속받는 자식 클래스를 만들어서 사용하는 것이
				// 편의성 면에서 더 좋음
				MyFrame myframe = new MyFrame(); // Myframe작업이 다끝나고 출력
				myframe.setVisible(true);
//				frame.setVisible(false); // 메인 프레임을 안보이게
			}
		});
		btn1.setFont(new Font("굴림", Font.PLAIN, 30));
		btn1.setBounds(12, 10, 410, 107);
		frame.getContentPane().add(btn1);
		
		JButton btn2 = new JButton("New Dialog");
		btn2.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				MyDialog myDialog = new MyDialog();
				myDialog.setVisible(true);
			}
		});
		btn2.setFont(new Font("굴림", Font.PLAIN, 30));
		btn2.setBounds(12, 127, 410, 107);
		frame.getContentPane().add(btn2);
	}

}

package edu.java.gui11;

import java.awt.BorderLayout;
import java.awt.FlowLayout;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;

public class MyDialog extends JDialog {

	private final JPanel contentPanel = new JPanel();

	
	public MyDialog() {
		setBounds(100, 100, 450, 300);
		getContentPane().setLayout(new BorderLayout());
		contentPanel.setLayout(new FlowLayout());
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		getContentPane().add(contentPanel, BorderLayout.CENTER);
		{
			JPanel buttonPane = new JPanel();
			buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
			getContentPane().add(buttonPane, BorderLayout.SOUTH);
			{
				JButton okButton = new JButton("OK");
				okButton.setActionCommand("OK");
				buttonPane.add(okButton);
				getRootPane().setDefaultButton(okButton);
			}
			{
				JButton cancelButton = new JButton("Cancel");
				cancelButton.setActionCommand("Cancel");
				buttonPane.add(cancelButton);
			}
		}
	}

}

package edu.java.gui11;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JButton;

public class MyFrame extends JFrame { // main 지울 것!

	private JPanel contentPane; // getcontentpane과 같은 말이 된다.

	
	public MyFrame() {
		
		// JFrame.EXIT_ON_CLOSE : 프로그램 전체 종료
		// JFrame.DISPOSE_ON_CLOSE : 현재 창만 종료
		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		this.setBounds(100, 100, 450, 300);
		contentPane = new JPanel(); // frame.getContentPane() 동일
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		contentPane.setLayout(new BorderLayout(0, 0));
		setContentPane(contentPane);
		
		JButton btnNewButton = new JButton("New button");
		contentPane.add(btnNewButton, BorderLayout.CENTER);
		
	}

}

package edu.java.gui12;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class GuiMain12 {

	private JFrame frame;
	private JTextField textField;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					GuiMain12 window = new GuiMain12();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public GuiMain12() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.getContentPane().setLayout(null);
		
		textField = new JTextField();
		textField.setBounds(158, 50, 116, 21);
		frame.getContentPane().add(textField);
		textField.setColumns(10);
		
		JButton btnNewButton = new JButton("New button");
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				String text = textField.getText();
				MyFrame myframe = new MyFrame(text);
				myframe.setVisible(true);
			}
		});
		btnNewButton.setBounds(171, 112, 97, 23);
		frame.getContentPane().add(btnNewButton);
	}
}

package edu.java.gui12;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JButton;

public class MyFrame extends JFrame { // main 지울 것!

	private JPanel contentPane; // getcontentpane과 같은 말이 된다.

	
	public MyFrame(String text) {
		
		// JFrame.EXIT_ON_CLOSE : 프로그램 전체 종료
		// JFrame.DISPOSE_ON_CLOSE : 현재 창만 종료
		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		this.setBounds(100, 100, 450, 300);
		contentPane = new JPanel(); // frame.getContentPane() 동일
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		contentPane.setLayout(new BorderLayout(0, 0));
		setContentPane(contentPane);
		
		JButton btnNewButton = new JButton(text);
		contentPane.add(btnNewButton, BorderLayout.CENTER);
		
	}

}

package edu.java.gui13;

import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.border.BevelBorder;
import java.awt.Color;
import java.awt.Component;

public class GuiMain13 {

	private JFrame frame;
	private JPanel topPanel; // 로그인 버튼, 로그아웃 버튼, 아이디 입력 텍스트필드 등을 포함하는 판넬
	private JLabel lblInfo; // 정보 출력 레이블
	private JTextField txtInputId; // 아이디 입력 텍스트 필드
	private JButton btnLogin; // 로그인 버튼
	private JButton btnLogout; // 로그아웃 버튼
	
	private JPanel contentPanel; // 시작할 때 생성할 기본판넬
	private JPanel loginPanel; // 로그인 했을 때 보이는 판넬
	private JPanel logoutPanel; // 로그아웃 했을 때 보이는 판넬
	
	private Component currentComponent; // 현재 가지고 있는 컴퍼넌트 확인 변수 
	
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					GuiMain13 window = new GuiMain13();
					window.frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public GuiMain13() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		frame = new JFrame();
		frame.setBounds(100, 100, 450, 300);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		topPanel = new JPanel();
		topPanel.setBorder(new BevelBorder(BevelBorder.LOWERED, null, null, null, null));
		frame.getContentPane().add(topPanel, BorderLayout.NORTH);
		topPanel.setLayout(new GridLayout(1, 0, 0, 0));
		
		lblInfo = new JLabel("안녕하세요");
		topPanel.add(lblInfo);
		
		txtInputId = new JTextField();
		topPanel.add(txtInputId);
		txtInputId.setColumns(10);
		
		btnLogin = new JButton("로그인");
		btnLogin.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent e) {
				String id = txtInputId.getText();
				// 입력받은 id가 "test"인 경우에만
				if(id.equals("test")) {
					lblInfo.setText(id + "님 환영합니다.");
					btnLogin.setEnabled(false);
					btnLogout.setVisible(true);
					
					// 현재 판넬 제거
					frame.getContentPane().remove(currentComponent);
					frame.revalidate(); // 컴퍼넌트 재검토
					frame.repaint(); // 컴퍼넌트 다시 그림
					
					// 로그인 했을 때 보여줄 판넬 추가
					loginPanel = new LoginPanel();
					
					// 로그인 판넬을 프레임에 연결
					frame.getContentPane().add(loginPanel, BorderLayout.CENTER);
					frame.revalidate();
					frame.repaint();
					
					currentComponent = loginPanel;
					
				}
			}
		});
		topPanel.add(btnLogin);
		
		btnLogout = new JButton("로그아웃");
		btnLogout.setVisible(false);
		btnLogout.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				lblInfo.setText("잘가세요!");
				btnLogin.setEnabled(true);
				btnLogout.setVisible(false);
				
				// 현재 판넬 제거
				frame.getContentPane().remove(currentComponent);
				frame.revalidate();
				frame.repaint();
				
				// 로그아웃 했을 때 보여줄 판넬 추가
				logoutPanel = new JPanel();
				JLabel lblLogout = new JLabel("로그아웃 되었습니다.");
				logoutPanel.add(lblLogout);
				
				// 로그아웃 판넬 연결
				frame.getContentPane().add(logoutPanel, BorderLayout.CENTER);
				frame.revalidate();
				frame.repaint();
				
				// 현재 컴퍼넌트 정보 변경
				currentComponent = logoutPanel;
			}
		});
		topPanel.add(btnLogout);
		
		contentPanel = new JPanel();
		contentPanel.setBackground(Color.PINK);
		frame.getContentPane().add(contentPanel, BorderLayout.CENTER);
		// 현재 컴퍼넌트에 기본 판넬 저장
		// 이게 없으면 판단을 할 수가 없다.
		currentComponent = contentPanel;
	} 

} // end GuiMain13

package edu.java.gui13;

import javax.swing.JPanel;
import java.awt.Color;
import javax.swing.JLabel;

public class LoginPanel extends JPanel{
	public LoginPanel() {
		setBackground(Color.WHITE);
		setLayout(null);
		
		JLabel lblNewLabel = new JLabel("로그인 되었습니다");
		lblNewLabel.setBounds(103, 98, 225, 60);
		add(lblNewLabel);
		
	}
}

package edu.java.gui14;

import java.awt.EventQueue;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Timer;
import java.util.TimerTask;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JProgressBar;

public class GuiMain14 {

   private JFrame frame;
   private JLabel lblDate;
   int count = 100;
   private JProgressBar progressBar;
   private JDialog dialog;
   private Timer timer;
   
   private int year, month, day, hour, minute, seconds;
   private Calendar cal;
   private JButton btnNewButton2;
   private boolean isStop;
   /**
    * Launch the application.
    */
   public static void main(String[] args) {
      EventQueue.invokeLater(new Runnable() {
         public void run() {
            try {
               GuiMain14 window = new GuiMain14();
               window.frame.setVisible(true);
            } catch (Exception e) {
               e.printStackTrace();
            }
         }
      });
   }

   /**
    * Create the application.
    */
   public GuiMain14() {
      initialize();
   }

   /**
    * Initialize the contents of the frame.
    */
   private void initialize() {
      frame = new JFrame();
      frame.setBounds(100, 100, 450, 300);
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.getContentPane().setLayout(null);
      
      lblDate = new JLabel();
      lblDate.setBounds(12, 22, 410, 50);
      lblDate.setFont(new Font("굴림", Font.BOLD, 30));
      frame.getContentPane().add(lblDate);
      currentDate();
      progressBar = new JProgressBar();
      progressBar.setBounds(12, 0, 410, 20);
      progressBar.setValue(count);
      frame.getContentPane().add(progressBar);
      
      JButton btnNewButton = new JButton("시작");
      btnNewButton.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            startTimer();
         }
      });
      btnNewButton.setBounds(216, 228, 97, 23);
      frame.getContentPane().add(btnNewButton);
      
      btnNewButton2 = new JButton("종료");
      btnNewButton2.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            isStop = true;
         }
      });
      btnNewButton2.setBounds(325, 228, 97, 23);
      frame.getContentPane().add(btnNewButton2);
      
      JLabel lblDate_1 = new JLabel();
      lblDate_1.setText("6교시까지 일단 고고");
      lblDate_1.setFont(new Font("굴림", Font.BOLD, 30));
      lblDate_1.setBounds(12, 107, 410, 50);
      frame.getContentPane().add(lblDate_1);
      dialog = new MyDialog();
      dialog.setVisible(false);
      
   }
   
   private void startTimer() {
      isStop = false;
      TimerTask timerTask = new TimerTask() {
         @Override
         public void run() {
            if(isStop) {
               timer.cancel();
            }
            if (count > 0) {
               count--;
               progressBar.setValue(count);               
            } else {
               dialog.setVisible(true);
               timer.cancel();
            }
         }
      };
      timer = new Timer();
      timer.schedule(timerTask, 1, 1000);
   }
   
   private void currentDate() {
      cal = GregorianCalendar.getInstance();
      
      TimerTask timerTask = new TimerTask() {
         
         @Override
         public void run() {
            year = cal.get(Calendar.YEAR);
            
            month = cal.get(Calendar.MONTH)  + 1;
            
            day = cal.get(Calendar.DAY_OF_MONTH);
            
            hour = cal.get(Calendar.HOUR_OF_DAY);
            
            minute = cal.get(Calendar.MINUTE);
            
            seconds = cal.get(Calendar.SECOND);
            
            String dateString = String.format("%02d/%02d/%02d %02d:%02d:%02d", year, month, day, hour, minute, seconds);
            lblDate.setText(dateString);
            cal.add(Calendar.SECOND, 1);
         }
      };
      timer = new Timer();
      timer.schedule(timerTask, 1, 1000);
   }
}

package edu.java.gui14;

import java.awt.BorderLayout;
import java.awt.FlowLayout;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JLabel;

public class MyDialog extends JDialog {

   private final JPanel contentPanel = new JPanel();

   /**
    * Create the dialog.
    */
   public MyDialog() {
      setBounds(100, 100, 450, 300);
      getContentPane().setLayout(new BorderLayout());
      contentPanel.setLayout(new FlowLayout());
      contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
      getContentPane().add(contentPanel, BorderLayout.CENTER);
      
      JLabel lblNewLabel = new JLabel("타이머 종료");
      contentPanel.add(lblNewLabel);

      JPanel buttonPane = new JPanel();
      buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
      getContentPane().add(buttonPane, BorderLayout.SOUTH);

      JButton okButton = new JButton("OK");
      okButton.setActionCommand("OK");
      buttonPane.add(okButton);
      getRootPane().setDefaultButton(okButton);

      JButton cancelButton = new JButton("Cancel");
      cancelButton.setActionCommand("Cancel");
      buttonPane.add(cancelButton);

   }

}