Another link on the topic. This picture[1] I lifted from scala course in coursera.org [1]http://stackoverflow.com/questions/2723397/java-generics-what-is-pecs/

Another link on the topic. This picture[1] I lifted from scala course in coursera.org [1]http://stackoverflow.com/questions/2723397/java-generics-what-is-pecs/19739576#19739576 http://stackoverflow.com/questions/2723397/java-generics-wha...