Generics

Note: Generics DO NOT take primitive data types as their parameter; use their wrappers:
Also Note: Wrapper classes are immutable.
"A class is immutable if is defines no mutator methods. This means that once the state of an object is initialized by a constructor, it will never change. String and the wrapper classes are all immutable."
Source: http://www.cs.cmu.edu/~pattis/15-1XX/common/handouts/glossary.html
Also please see this link about autoboxing.

• Integer for int
• Long for long
• Character for char
• Short for short
• Byte for byte
• Boolean for boolean
• Float for float
• Double for double
• Void for void
  
  Please see the following:
  
• http://java.sun.com/j2se/1.5.0/docs/guide/language/generics.html
• http://java.sun.com/j2se/1.5/pdf/generics-tutorial.pdf
• Generics FAQ
• Generics Tutorial by Sun