Core Design Patterns in Java/J2EE

[Surya]

Hi,
I would like to know what are main and useful design patterns in Java
as well as J2EE. How to identify/choose which patterns is suitable for
the projects? Are there any online tutorials with problem,
solution(design patterns), consequences of design patterns?
Thanks in advance,
Surya.

 

[Roedy Green]

Are there any online tutorials with problem,
solution(design patterns), consequences of design patterns?
Thanks in advance,

try http://mindprod.com/jgloss/designpatterns.html
for links to some resources.