diff --git a/src/main/java/com/ntlab/irisserver/resources/HelloWorld.java b/src/main/java/com/ntlab/irisserver/resources/HelloWorld.java
index 8f1b994..9a1982d 100644
--- a/src/main/java/com/ntlab/irisserver/resources/HelloWorld.java
+++ b/src/main/java/com/ntlab/irisserver/resources/HelloWorld.java
@@ -10,7 +10,7 @@
 public class HelloWorld {
     @GET
     public String getHello() {
-        return "WebSocketのデモの追加。12/15-16:00";
+        return "WebSocketのデモの追加。12/15-16:05";
     }
 
 }
diff --git a/src/main/java/com/ntlab/irisserver/websockets/HelloWebSocket.java b/src/main/java/com/ntlab/irisserver/websockets/HelloWebSocket.java
new file mode 100644
index 0000000..2eceb16
--- /dev/null
+++ b/src/main/java/com/ntlab/irisserver/websockets/HelloWebSocket.java
@@ -0,0 +1,59 @@
+package com.ntlab.irisserver.websockets;
+
+import org.springframework.web.socket.WebSocketHandler;
+import org.springframework.web.socket.handler.TextWebSocketHandler;
+
+import javax.websocket.*;
+import javax.websocket.server.ServerEndpoint;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+
+// ５秒に１回HelloWorldを送るデモ
+@ServerEndpoint("/hello-websocket")
+public class HelloWebSocket {
+    private static final Queue<Session> sessions = new ConcurrentLinkedQueue<>();
+
+    static {
+        ScheduledExecutorService service = Executors.newSingleThreadScheduledExecutor();
+        service.scheduleWithFixedDelay(HelloWebSocket::broadcast, 5, 5, TimeUnit.SECONDS);
+    }
+
+    @OnMessage
+    public String onMessage(String message) {
+        System.out.println("WebSocketで受信したメッセージ/ " + message);
+        return "WebSocketでメッセージを正常に受信しました！";
+    }
+
+    @OnError
+    public void onError(Throwable th) {
+        System.out.println("WebSocketエラーが発生/ " + th.getMessage());
+    }
+
+    @OnOpen
+    public void onOpen(Session session) {
+        System.out.println("WebSocketセッション確立");
+        sessions.add(session);
+    }
+
+    @OnClose
+    public void onClose(Session session) {
+        System.out.println("WebSocketセッション終了");
+        sessions.remove(session);
+    }
+
+    public static void broadcast() {
+        Date now = new Date();
+        SimpleDateFormat formatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
+
+//        sessions.forEach(session -> {
+//            session.getAsyncRemote().sendText("HelloWorld！ : " + formatter.format(now));
+//        });
+    }
+
+}
\ No newline at end of file