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

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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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