I am an engineering student. In the Java programming language, when I run the program I got a null pointer exception. Can anyone tell me what is null pointer exception in java? Is null pointer exception unchecked or a checked ...Read more
I am an engineering student. In the Java programming language, when I run the program I got a null pointer exception. Can anyone tell me what is null pointer exception in java? Is null pointer exception unchecked or a checked exception and how can I avoid null pointer exception? please give an example . Thank you.
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