unsafe

http://mishadoff.github.io/blog/java-magic-part-4-sun-dot-misc-dot-unsafe/

http://mishadoff.github.io/blog/java-magic-part-3-finally/
http://mishadoff.github.io/blog/java-magic-part-2-0xcafebabe/

http://mishadoff.github.io/blog/java-magic-part-1-java-dot-net-dot-url/