20.29
Andry Leonardo Hutagaol
DateServer.java
import java.io.*;
import java.net.*;
import java.util.*;
public class DateServer extends Thread {
private ServerSocket dateServer;
public static void main(String argv[]) throws Exception {
new DateServer();
}
public DateServer() throws Exception {
dateServer = new ServerSocket(3000);
System.out.println("Server listening on port 3000.");
this.start();
}
public void run() {
while(true) {
try {
System.out.println("Waiting for connections.");
Socket client = dateServer.accept();
System.out.println("Accepted a connection from: "+
client.getInetAddress());
Connect c = new Connect(client);
} catch(Exception e) {}
}
}
}
class Connect extends Thread {
private Socket client = null;
private ObjectInputStream ois = null;
private ObjectOutputStream oos = null;
public Connect() {}
public Connect(Socket clientSocket) {
client = clientSocket;
try {
ois = new ObjectInputStream(client.getInputStream());
oos = new ObjectOutputStream(client.getOutputStream());
} catch(Exception e1) {
try {
client.close();
}catch(Exception e) {
System.out.println(e.getMessage());
}
return;
}
this.start();
}
public void run() {
try {
oos.writeObject(new Date());
oos.flush();
// close streams and connections
ois.close();
oos.close();
client.close();
} catch(Exception e) {}
}
}DateClient.java
import java.io.*;
import java.net.*;
import java.util.*;
public class DateClient {
public static void main(String argv[]) {
ObjectOutputStream oos = null;
ObjectInputStream ois = null;
Socket socket = null;
Date date = null;
try {
// open a socket connection
socket = new Socket("yourMachineNameORipAddress", 3000);
// open I/O streams for objects
oos = new ObjectOutputStream(socket.getOutputStream());
ois = new ObjectInputStream(socket.getInputStream());
// read an object from the server
date = (Date) ois.readObject();
System.out.print("The date is: " + date);
oos.close();
ois.close();
} catch(Exception e) {
System.out.println(e.getMessage());
}
}
}Lakukan Langkah ini pada command prompt
Cara menjalankan program di atas adalah
>javac DataServer.java
>java DataServer
Setelah itu Pada waktu bersamaan lakukan
>javac DataClient.java
>java DataClient
