adding java app

java-serverhost/src/main/java/com/redhat/training/example/ServerHostEndPoint.java

@@ -0,0 +1,20 @@
+package com.redhat.training.example.swarmhelloworld.rest;
+
+
+import javax.ws.rs.Path;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.GET;
+import javax.ws.rs.Produces;
+import java.net.InetAddress;
+
+
+@Path("/")
+public class ServerHostEndPoint {
+
+	@GET
+	@Produces("text/plain")
+	public Response doGet() throws Exception {
+		String host = InetAddress.getLocalHost().getHostName();
+		return Response.ok("I am running on server "+host+" Version 1.0 \n").build();
+	}
+}