[BAEL-3348] Moved code to algorithm-4

spring-5-reactive-security/src/main/java/com/baeldung/webflux/EmployeeWebSocketClient.java

@@ -0,0 +1,21 @@
+package com.baeldung.webflux;
+
+import java.net.URI;
+
+import org.springframework.web.reactive.socket.WebSocketMessage;
+import org.springframework.web.reactive.socket.client.ReactorNettyWebSocketClient;
+import org.springframework.web.reactive.socket.client.WebSocketClient;
+
+public class EmployeeWebSocketClient {
+
+    public static void main(String[] args) {
+
+        WebSocketClient client = new ReactorNettyWebSocketClient();
+        
+        client.execute(URI.create("ws://localhost:8080/employee-feed"), session -> session.receive()
+            .map(WebSocketMessage::getPayloadAsText)
+            .doOnNext(System.out::println)
+            .then())
+            .block(); // to subscribe and return the value
+    }
+}