Merge pull request #1564 from cfsimplicity/patch-4

Java Class Interaction: add how to specify enums using variables

Author: zspitzer

docs/recipes/java-class-interaction.md

@@ -162,6 +162,13 @@ state = java:Thread$State::RUNNABLE;
 allStates = java:Thread$State::values();
 dump( allStates );
 ```
+To specify an enum using a variable, use square bracket notation:
+```javascript
+import java.util.concurrent.TimeUnit;
+selectedTimeUnit = "MINUTES";
+selectedEnumObject = TimeUnit::[ selectedTimeUnit ];
+dump( selectedEnumObject.name() ); // MINUTES
+```
 
 ## Class Reflection (Advanced)