JavaFX high memory usage -


i'm using javafx 3d-application (a simple game). i'm displaying map consisting of blocks player can run on. problem is, when return main menu, memory allocation as in game (~500mb). so, seems java not delete unused references. when restart game main menu, goes 1gb , on. thought garbage collector take care of unused references? thought might fact objects referencing each other (through observer/observable) deleted observers of objects, , set objects "null". same result. doing wrong?


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