For design
patterns which I would strongly say is the most important part of architecture :
1) Gang of Four related books like applied
java patterns.
2) POSA pattern oriented software architecture .
3 Core J2ee patterns just for J2EE .
Patterns of Enterprise Application Architecture
bye
kpt
K.P.Thottam (K.P.T)<br /> <br />Sun Certified Enterprise Architect,TOGAF 8 Certified,Certified Information System security Professional (CISSP),SCJDWS,SCWCD,SCJP,MCP