Friednly SNMP

I find a valuable article which tells you some questions about SNMP like these :
   1.How to add SNMP support to my Java application?
   2.How to work with SNMP without learning SNMP ins and outs?
   3.Where to find simple Java SNMP demo to copy/paste some code?
   4.How to write MIB and how to validate it?
   5.How to convert MIB into Java code?


Here is the website :
http://www.friendlysnmp.org/
It may helpful.