java se doc

J2SE 5.0 Performance White Paper

http://www.oracle.com/technetwork/java/5-136747.html

Java Tuning White Paper

http://www.oracle.com/technetwork/java/tuning-139912.html

http://www.oracle.com/technetwork/java/javase/documentation/whitepapers-jsp-139357.html

java se doc

http://docs.oracle.com/javase/tutorial/java/generics/boundedTypeParams.html

The Collection Interface

http://docs.oracle.com/javase/tutorial/collections/interfaces/index.html

language specification

http://docs.oracle.com/javase/specs/jls/se8/jls8.pdf

http://docs.oracle.com/javase/tutorial/

http://docs.oracle.com/javase/tutorial/