code for baeldung article (#10875)

* Application source code for the Baeldung article "HTTP PUT vs POST
method in REST API"

* update indention in pom file, update code in Address class

* update indention

* rename application

* update pom

* source code for article "Connection timeout vs read timeout"

* Update TcpServerSocket.java

core-java-modules/core-java-networking-3/src/main/java/com/baeldung/timeout/TcpClientSocket.java

@@ -0,0 +1,46 @@
+package com.baeldung.timeout;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.PrintStream;
+import java.net.Socket;
+import java.net.UnknownHostException;
+
+public class TcpClientSocket {
+
+    private Socket socket;
+    private PrintStream out;
+    private BufferedReader in;
+
+    public void connect(String host, int port) {
+        try {
+            socket = new Socket(host, port);
+            socket.setSoTimeout(30000);
+            System.out.println("connected to " + host + " on port " + port);
+
+            out = new PrintStream(socket.getOutputStream(), true);
+            System.out.println("Sending message ... ");
+            out.println("Hello world");
+
+            in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+            out.println(in.readLine());
+
+            System.out.println("Closing connection !!! ");
+            in.close();
+            out.close();
+            socket.close();
+
+        } catch (UnknownHostException e) {
+            System.err.println(e);
+        } catch (IOException e) {
+            System.err.println(e);
+        }
+    }
+
+    public static void main(String[] args) throws IOException {
+        TcpClientSocket client = new TcpClientSocket();
+        client.connect("127.0.0.1", 5000);
+    }
+
+}

core-java-modules/core-java-networking-3/src/main/java/com/baeldung/timeout/TcpServerSocket.java

@@ -0,0 +1,43 @@
+package com.baeldung.timeout;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+public class TcpServerSocket {
+
+    private Socket socket;
+    private ServerSocket serverSocket;
+    private BufferedReader in;
+
+    public TcpServerSocket(int port) {
+
+        try {
+            serverSocket = new ServerSocket(port);
+            System.out.println("Server is listening on port :: " + port);
+            System.out.println("Waiting for a client ...");
+
+            socket = serverSocket.accept();
+            socket.setSoTimeout(40000);
+            System.out.println("Client connected !! ");
+
+            in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+
+            String line = in.readLine();
+            System.out.println(line);
+
+            System.out.println("Closing connection  !!! ");
+
+            socket.close();
+            in.close();
+        } catch (IOException i) {
+            System.out.println(i);
+        }
+    }
+
+    public static void main(String args[]) {
+        TcpServerSocket server = new TcpServerSocket(5000);
+    }
+}