Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...

Pointer operations are common in programs written in modern programming languages such as C/C++ and Java. While widely used, pointer operations often suffer from bugs like null pointer exceptions that ...

I was able to reproduce the Null Pointer exception. The reason for the null pointer exception is that your test class was not in any package and that's why when looking for package it was throwing ...