Listing Program
- simpleServer
import java.io.*;
import java.net.*;
public class simpleServer {
public final static int TESTPORT = 5000;
public static void main(String args[]) {
ServerSocket checkServer = null;
String line;
BufferedReader is = null;
DataOutputStream os = null;
Socket clientSocket = null;
try {
checkServer = new ServerSocket(TESTPORT);
System.out.println("Aplikasi Server hidup ...");
} catch (IOException e) {
System.out.println(e);
}
try {
clientSocket = checkServer.accept();
is = new BufferedReader(new
InputStreamReader(clientSocket.getInputStream()));
os = new DataOutputStream(clientSocket.getOutputStream());
} catch (Exception ei) {
ei.printStackTrace();
}
try {
line = is.readLine();
System.out.println("Terima : " + line);
if (line.compareTo("salam") == 0) {
os.writeBytes("salam juga");
} else {
os.writeBytes("Maaf, saya tidak mengerti");
}
} catch (IOException e) {
System.out.println(e);
}
try {
os.close();
is.close();
clientSocket.close();
} catch (IOException ic) {
ic.printStackTrace();
}
}
}
- simpleClient
simpleClient.java
import java.io.*;
import java.net.*;
public class simpleClient {
public final static int REMOTE_PORT = 5000;
public final static String TARGET =
"192.168.43.19";
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;
try {
cl = new Socket(TARGET, 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);
}
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);
}
try {
output = is.readLine();
System.out.println("Dari server: " + output);
} catch (IOException e) {
e.printStackTrace();
}
try {
is.close();
os.close();
cl.close();
} catch (IOException x) {
System.out.println("Error writing...." + x);
}
}
}
Output Program
Berikut adalah tampilan output dari simpleServer.java dan
simpleClient.java .
Ketika user salah dalam memasukkan kata kunci, maka akan
tampil output seperti di bawah.
Ketika user benar dalam memasukkan kata kunci maka akan
tampil output seperti di bawah.
