fix(ch4s4): refactor java source for SG read ease

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

@@ -1,13 +1,11 @@
 package com.redhat.training.example.javaserverhost.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 {
 
@@ -21,6 +19,8 @@ public class ServerHostEndPoint {
     catch (Exception e) {
        e.printStackTrace();
     }
-		return Response.ok("I am running on server "+host+" Version 1.0 \n").build();
+    String msg = "I am running on server "+host+" Version 1.0 \n"
+    return Response.ok(msg).build();
   }
 }
+