Not documented officially: http://stackoverflow.com/questions/16819234/sun-misc-unsafe-documentation

An unofficial API listing can be found at: http://www.docjar.com/docs/api/sun/misc/Unsafe.html

Unstable API that may break on the Java versions. javac even gives a warning saying this if you import it.

Tutorials:

• http://mishadoff.com/blog/java-magic-part-4-sun-dot-misc-dot-unsafe/
• https://highlyscalable.wordpress.com/2012/02/02/direct-memory-access-in-java/
• http://java.dzone.com/articles/understanding-sunmiscunsafe