Java API:
http://selenium.googlecode.com/git/docs/api/java/index.html
Handling certificate errors:
http://www.mythoughts.co.in/2012/05/handling-security-cerificatesuntrusteds.html#.U3E4ufldVmM
Junit Tutorial:
http://www.mkyong.com/tutorials/junit-tutorials/
SQL Practice:
http://www.quackit.com/sql/tutorial/sql_outer_join.cfm
http://beginner-sql-tutorial.com/sql-where-clause.htm
Software Testing:
http://www.softwaretestingclass.com/what-is-difference-between-two-tier-and-three-tier-architecture/
Instrallation testing:
http://www.abodeqa.com/2012/07/29/installation-testing-and-test-cases-to-test-installation-testing/
Interview questions:
http://www.softwaretestingsoftware.com/software-testing-interview-questions/
trail automation example: http://www.demo.openerp.com