Code with JavaFX and singleton giving nullpointerexception
49
What is a NullPointerException, and how do I fix it?
81565
getClass().getResource() always returning null
148873
Objective-C: Use singleton vs. use class as an object?
58054
When is it OK to catch NullPointerException?
52540
Accessing FXML controller class
31537
Checking for null before event dispatching... thread safe?
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
87728
ArgumentNullException or NullReferenceException from extension method?
8808
Strange Java null behavior in Method Overloading
9078
Difference between static class and singleton pattern?
40308
Is it possible to initialize a Singleton from a specific method and not when application is executed?
141129
InputStream returning NullPointerException (Java)
119077
Singleton: How should it be used
17877
Why are local variables not initialized in Java?
8937
How do I reference the only element in a singleton set?
69771
NullPointerException when setting attribute?
64332
avoiding null reference exceptions