Write a program in Java to establish a connection between client and server?

Solution:

Consider the following program where the connection between the client and server is established.
File: MyServer.java

import java.io.*;  
import java.net.*;  
public class MyServer {  
public static void main(String[] args){  
try{  
ServerSocket ss=new ServerSocket(6666);  
Socket s=ss.accept();//establishes connection   
DataInputStream dis=new DataInputStream(s.getInputStream());  
String  str=(String)dis.readUTF();  
System.out.println("message= "+str);  
ss.close();  
}catch(Exception e){System.out.println(e);}  
}  
}  

File: MyClient.java

import java.io.*;  
import java.net.*;  
public class MyClient {  
public static void main(String[] args) {  
try{  
Socket s=new Socket("localhost",6666);  
DataOutputStream dout=new DataOutputStream(s.getOutputStream());  
dout.writeUTF("Hello Server");  
dout.flush();  
dout.close();  
s.close();  
}catch(Exception e){System.out.println(e);}  
}  
}  
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