Client.java

package exam15package;

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

public class Client extends JFrame{
    private JLabel label = new JLabel("단어 입력");
    private JTextField textField = new JTextField(10);
    private JLabel resultLabel = new JLabel();
    private Socket socket = null;
    private BufferedReader in = null;
    private BufferedWriter out = null;
    public Client(){
        super("스펠체크 클라이언트");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        Container c = getContentPane();
        c.setLayout(new FlowLayout());
        c.add(label);
        c.add(textField);
        c.add(resultLabel);
        textField.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JTextField t = (JTextField)e.getSource();
                try{
                    out.write(t.getText()+"\n");
                    out.flush();
                    resultLabel.setText(t.getText());
                    t.setText("");
                }catch (Exception x){
                    x.printStackTrace();
                }
            }
        });
        setSize(400, 100);
        setVisible(true);
        this.play();
    }
    public void play(){
        try{
            socket = new Socket("localhost", 9999);
            in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
            while(true){
                String inputMessage = in.readLine();
                resultLabel.setText(resultLabel.getText()+"는"+inputMessage);
            }
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            try{
                if(socket != null) socket.close();
            }catch (Exception e){
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args){
        new Client();
    }
}