This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Could any one please suggest me which site is very good and simple to understand about collection framework. I gone through the API but still I want read some more information in a simple way with the hirerachy of collections.