simpleClient.java

import java.io.*;
import java.net.*;
public class simpleClient {
public final static int REMOTE_PORT = 5000;
public static void main(String args[]) throws Exception {
Socket cl = null;
BufferedReader is = null;
DataOutputStream os = null;
BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
String userInput = null;
String output = null;
// Membuka koneksi ke server pada port REMOTE_PORT
try {
cl = new Socket(args[0], REMOTE_PORT);
is = new BufferedReader(new InputStreamReader(cl.getInputStream()));
os = new DataOutputStream(cl.getOutputStream());
} catch(UnknownHostException e1) {
System.out.println("Unknown Host: " + e1);
} catch (IOException e2) {
System.out.println("Erorr io: " + e2);
}
// Menulis ke server
try {
System.out.print("Masukkan kata kunci: ");
userInput = stdin.readLine();
os.writeBytes(userInput + "\n");
} catch (IOException ex) {
System.out.println("Error writing to server..." + ex);
}
// Menerima tanggapan dari server
try {
output = is.readLine();
System.out.println("Dari server: " + output);
} catch (IOException e) {
e.printStackTrace();
}
// close input stream, output stream dan koneksi
try {
is.close();
os.close();
cl.close();
} catch (IOException x) {
System.out.println("Error writing...." + x);
}
}
}