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Graphics / Re: JSFML - NullPointerException for RenderWindow

« on: March 14, 2020, 08:44:05 am »

1) NullPointerException is a RuntimeException . In Java, a special null value can be assigned to an object reference. NullPointerException is thrown when an application attempts to use an object reference that has the null value. These include: Calling an instance method on the object referred by a null reference.