how to connect server and client apps using java code example
Example 1: socket programming in java
import java.net.*;
import java.io.*;
public class GreetingClient {
public static void main(String [] args) {
String serverName = args[0];
int port = Integer.parseInt(args[1]);
try {
System.out.println("Connecting to " + serverName + " on port " + port);
Socket client = new Socket(serverName, port);
System.out.println("Just connected to " + client.getRemoteSocketAddress());
OutputStream outToServer = client.getOutputStream();
DataOutputStream out = new DataOutputStream(outToServer);
out.writeUTF("Hello from " + client.getLocalSocketAddress());
InputStream inFromServer = client.getInputStream();
DataInputStream in = new DataInputStream(inFromServer);
System.out.println("Server says " + in.readUTF());
client.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
Example 2: socket programming in java
$ java GreetingServer 6066
Waiting for client on port 6066...