What is Java Null Pointer Exception and How to Fix it || Java NullPointerException

In this video, you will know about Java Null Pointer Exception and How to Fix it.
Java Null Pointer Exception is inherited from RunTime Exception that throws at runtime.

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.

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