The Java Socket programming instance code based on TCP is implemented
- 2020-04-01 02:37:36
- OfStack
Realized the Java Socket programming based on TCP, the function is very simple: the client end output a word to the server end "connect", the server end receive output to the console and output a word to the client end "Hello", the client end receive and output.
1. Server side
package javase.net.socket;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
public class TCPServer {
public static void main(String[] args) {
try {
ServerSocket serverSocket = new ServerSocket(8888);
Socket socket = serverSocket.accept();
//Reading client data & NBSP;
InputStream info = socket.getInputStream();
DataInputStream dis = new DataInputStream(info);
System.out.println(dis.readUTF());
//Output data to client & NBSP;
OutputStream os = socket.getOutputStream();
DataOutputStream dos = new DataOutputStream(os);
dos.writeUTF("Hello!");
dos.flush();
} catch (IOException e) {
e.printStackTrace();
}
}
}
2. Client:
package javase.net.socket;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
public class TCPClient {
public static void main(String[] args) {
try {
Socket socket = new Socket("192.168.1.123", 8888);
//Sending data & NBSP to the server side;
OutputStream os = socket.getOutputStream();
DataOutputStream bos = new DataOutputStream(os);
bos.writeUTF("Connect");
bos.flush();
//Receive server-side data & NBSP;
InputStream is = socket.getInputStream();
DataInputStream dis = new DataInputStream(is);
System.out.println(dis.readUTF());
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}