Learn what causes null pointer exceptions in Java, how to identify them, and how to fix them with simple techniques and best practices. Also, learn how to test and learn more about them.

When running a stored procedure that returns more than one result set, we get the following Null Pointer Exception on mybatis 3.2.4 Caused by: java.lang.NullPointerException at org.apache.ibatis.ex ...

We envision a world where no exceptions are raised; instead, language semantics are changed so that operations are total functions. Either an operation executes normally or tailored recovery code is ...

Java VM Version: Java HotSpot (TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 251460752 bytes (239 MB) / 814219264 bytes (776 MB) up to 1908932608 bytes (1820 MB) ...