java 채팅 소켓 프로그래밍

import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.IOException; import java.io.PrintWriter; import java.net.Socket; import java.util.Scanner; import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.JTextField; /** * A simple Swing-based client for the chat server. Graphically it is a frame with a text * field for entering messages and a textarea t...