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Java

unknown class

https://teamtreehouse.com/library/build-a-javafx-application/its-about-time/completion-events

In the above video Craig shows how with the help of TimeLine class object we can create animation. He then creates an object " private Timeline mTimeline; " but initialize it in different method. But when i type: mTimeline = new Timeline(); in the class HOME itself it shows "unknown class" error. And the same thing goes with the event handler on the mTimeline, ie i can call it in some random methods but not in the class body itself.