If you attempt to use a reference variable before it is instantiated,a(n)______ will be thrown.
A)IndexOutOfBoundsException
B)InstantiationException
C)IllegalAccessException
D)NullPointerException

Question

Quizplus · Accepted Answer

Trying to use a reference variable that has not been initialized with an object (i.e., it has a null value) will trigger a NullPointerException at runtime.

If You Attempt to Use a Reference Variable Before It