Networking

//Networking
1 Server: 
 
import java.io.*; import java.net.*; public class commsServer 
{ public static void main(String[] args) 
{ try  
{  
ServerSocket ss=new ServerSocket(3002); 
Socket s=ss.accept(); 
DataOutputStream dout=new DataOutputStream(s.getOutputStream()); 
DataInputStream din=new DataInputStream(s.getInputStream()); String msg1="Enter your name : "; dout.writeUTF(msg1); 
System.out.println("Message Sent : "+msg1); 
String name=din.readUTF(); 
String msg2="Hello "+name+", Enter your age : "; dout.writeUTF(msg2); 
System.out.println("Message Sent : "+msg2); int age=din.readInt(); 
String msg3; if(age>=18) msg3="Access Granted!"; 
else msg3="Access Denied! Underage!"; 
dout.writeUTF(msg3); 
System.out.println("Message Sent : "+msg3); dout.close(); din.close(); 
s.close(); ss.close(); 
} catch(Exception e) 
{ 
System.out.println(e); 
} 
} 
} 
 
2 Client: 
 
import java.io.*; import java.net.*; import java.util.Scanner; public class commsClient 
{ public static void main(String[] args) 
{ try  
{  
 	Socket s=new Socket("localhost",3002); 
 	Scanner sc=new Scanner(System.in); 
 
 	DataInputStream din=new DataInputStream(s.getInputStream()); 
 	DataOutputStream dout=new DataOutputStream(s.getOutputStream()); 
 	System.out.println(din.readUTF()); 
 	String name=sc.nextLine(); 
 dout.writeUTF(name); 
 
 	System.out.println(din.readUTF());  	int age=sc.nextInt();  	dout.writeInt(age); 
 	System.out.println(din.readUTF()); 
 
 	din.close();  	dout.close();  	s.close();  	sc.close(); 
} 
catch(Exception e) 
{ 
System.out.println(e); 
} 
} 
}