Non-volatile mapped byte buffers would add new JDK-specific file mapping modes that allow the FileChannel API to be used to create MappedByteBuffer instances that refer to non-volatile memory (NVM).One goal is to reduce confusion and concern developers have about NullPointerExceptions. Authors of the proposal are looking to provide helpful information to developers and support staff about the premature termination of a program and improve program understanding by more clearly associating a dynamic exception with static program code.
The planned improvement to NullPointerExceptions pertains to improving the usability of the exceptions generated by the JVM by describing exactly which variable was null.
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