Java Socket 예제

import java.net.*;  
import java.io.*;  
class testobject implements Serializable {  
int value ;  
String id;  
public  testobject(int v, String s ){  
this.value=v;  
this.id=s;  
}  
}  
public class SimpleServer  {  
public static void main(String args[]) {  
int port = 2002;  
try {  
ServerSocket ss = new ServerSocket(port);  
Socket s = ss.accept();  
InputStream is = s.getInputStream();  
ObjectInputStream ois = new ObjectInputStream(is);  
testobject to = (testobject)ois.readObject();  
if (to!=null){System.out.println(to.id);}  
System.out.println((String)ois.readObject());  
is.close();  
s.close();  
ss.close();  
}catch(Exception e){System.out.println(e);}  
}  
}  
import java.net.*;  
import java.io.*;  
public class SimpleClient {  
public static void main(String args[]){  
try{  
Socket s = new Socket(“localhost”,2002);  
OutputStream os = s.getOutputStream();  
ObjectOutputStream oos = new ObjectOutputStream(os);  
testobject to = new testobject(1,”object from client”);  
oos.writeObject(to);  
oos.writeObject(new String(“another object from the client”));  
oos.close();  
os.close();  
s.close();  
}catch(Exception e){System.out.println(e);}  
}