Updating documentation to download Apache NetBeans 11.0

Author: Jaroslav Tulach

README.md

@@ -14,7 +14,7 @@ First download or clone this repository into directory `visualvm`. There are two
 
 ## Configure the dependencies
 
-Then extract the [NetBeans Platform 9.0](visualvm/nb90_platform_07082018.zip) into directory `visualvm/visualvm` (should create `visualvm/visualvm/netbeans`).
+Then extract the [Apache NetBeans 11](http://netbeans.apache.org/download/nb110/nb110.html) into directory `visualvm/visualvm` (should create `visualvm/visualvm/netbeans`).
 
 ## Build and run VisualVM tool