import java.awt.BorderLayout; import java.awt.Color; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; public class UserFind extends JFrame { public UserFind(String title, int width, int height) { this.setTitle(title); setSize(width, height); setLocationRelativeTo(this); setDefaultCloseOperation(JFrame.EXIT..

import javax.swing.JFrame; import javax.swing.JOptionPane; public class Message_2_5 extends JFrame { public Message_2_5(String title, int width, int height) { this.setTitle(title); setSize(width, height); setLocationRelativeTo(this); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //레이아웃 String message_title = "메시지"; JOptionPane.showMessageDialog( //메시지창 출력 this, "중복된 아이디가 있습니다.", message_title,..

package swing.frame; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import java.awt.GridLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; public class Project extends JFrame { public Project(String title, int width, int height) { this.setTitle(title); setSize(width, heigh..