TanSanC

JScrollPane , ScrollPane

JScrollPane sp = new JScrollPane(스크롤을 붙일 컴포넌트);

add(sp);

ScrollPane sp = new ScrollPane();

sp.add(스크롤을 붙일 컴포넌트);

add(sp);

Java TextArea 에 ScrollPane 장착하기.

  JScrollPane sp = new JScrollPane();
  ta = new JTextArea();
  sp.add(ta);

JScrollPane 에

Scroll 을 달고 싶은 컴포넌트를

add

한 후

Scroll 을 panel 이나 frame 에 add 하면 됩니다.

import java.awt.BorderLayout;

import javax.swing.JFrame;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class MyFrame extends JFrame {
 public static JTextArea ta;
 public static JTextField tf;
 public MyFrame() {
  ta = new JTextArea();
  tf = new JTextField();
  add(ta,BorderLayout.CENTER);
  add(tf,BorderLayout.SOUTH);
  setSize(300,200);
  setDefaultCloseOperation(EXIT_ON_CLOSE);
  setVisible(true);
 }
}

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.PrintWriter;

import java.net.Socket;

import java.net.UnknownHostException;

import java.util.Scanner;

class RecvThread extends Thread {

     Socket s;

     public RecvThread(Socket s) {

          this.s = s;

     }

     @Override

     public void run() {

          // 받는 부분

          BufferedReader is;

          try {

              is = new BufferedReader(new InputStreamReader(s.getInputStream()));

              String recvMsg;

              while ((recvMsg = is.readLine()) != null) {

                   System.out.println(recvMsg);

              }

          } catch (IOException e) {

              // TODO Auto-generated catch block

              e.printStackTrace();

          }

     }

}

class SendThread extends Thread {

     Socket s;

     public SendThread(Socket s) {

          this.s = s;

     }

     @Override

     public void run() {

          PrintWriter os;

          try {

              os = new PrintWriter(s.getOutputStream(), true);

              // 보내는 부분

              Scanner sc = new Scanner(System.in);

              while (true) {

                   String msg = sc.next();

                   os.println(msg);

              }

          } catch (IOException e) {

              // TODO Auto-generated catch block

              e.printStackTrace();

          }

     }

}

public class ClientTest {

     public static void main(String[] args) {

          try {

              Socket s = new Socket("115.20.247.142", 4000);

              SendThread st = new SendThread(s);

              RecvThread rt = new RecvThread(s);

          } catch (UnknownHostException e) {

              // TODO Auto-generated catch block

              e.printStackTrace();

          } catch (IOException e) {

              // TODO Auto-generated catch block

              e.printStackTrace();

          }

     }

}

import java.util.Scanner;

public class Exercise {

     public static void main(String[] arg) {

          int[] arr = new int[10];

          Scanner sc = new Scanner(System.in);

          for (int i = 0; i < 10; i++) {

              arr[i] = sc.nextInt();

          }

          // 입력

          Sort(arr);

          // 출력

          for (int i = 0; i < 10; i++) {

              System.out.println(arr[i]);

          }

     }

     public static void Sort(int[] a) {

          int n = 10;

          int temp;

          int j;

          boolean move;

          for( int i = 1; i < n ; i = i + 1)

          {

              temp = a[i];

              j = i;

              if( a[j-1] > temp )

              {

                   move = true;                

              }

              else

              {

                   move = false;

              }

              while(move)

              {

                   a[j] = a[j-1];

                   j = j - 1 ;

                   if( j > 0 && a[j-1] > temp)

                   {

                        move = true;

                   }

                   else

                   {

                        move = false;

                   }

              }

              a[j] = temp;

          }

     }

}

        // String To int

        int numInt = Integer.parseInt(numStr);

        System.out.println(numInt);

        // int To String

        String numStr2 = String.valueOf(numInt);

        System.out.println(numStr2);

이클립스 라인넘버 표시

JAVA 채팅 프로그램 export zip

JavaChatting20140124.zip

JavaChatting20140124 #2.zip

JavaChatting20140124 #3.zip

JavaChatting20140124 #4 대화명 변경가능.zip

INSERT INTO books (title, publisher, year, price)

  VALUES(‘Operating System Concepts’, ‘Wiley’, ‘2003’, 30700);

INSERT INTO books (title, publisher, year, price)

  VALUES(‘Head First PHP and MYSQL’, ‘OReilly’, ‘2009’, 58000);

INSERT INTO books (title, publisher, year, price)

  VALUES(‘C Programming Language’, ‘Prentice-Hall’, ‘1989’, 35000);

INSERT INTO books (title, publisher, year, price)

  VALUES(‘Head First SQL’, ‘OReilly’, ‘2007’, 43700);

서버

import java.io.IOException;

import java.net.ServerSocket;

import java.net.Socket;

import javax.swing.DefaultListModel;

import javax.swing.JFrame;

import javax.swing.JList;

class MyFrame extends JFrame {

DefaultListModel listModel ;

MyFrame(DefaultListModel listModel){

this.listModel = listModel;

setSize(600, 400);

setDefaultCloseOperation(this.EXIT_ON_CLOSE);

JList list = new JList(listModel);

add(list);

setVisible(true);

}

}

public class Server {

public static DefaultListModel listModel = new DefaultListModel();

public static void main(String[] args) {

try {

ServerSocket ss = new ServerSocket(5555);

Socket s;

MyFrame mf = new MyFrame(listModel);

while (true) {

s = ss.accept();

listModel.addElement( s.getInetAddress() );

System.out.println("입장 : " + s.getInetAddress());

PerClientThread pc = new PerClientThread();

pc.s = s;

pc.start();

}

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}