Java, .Net and C# and JDBC

http://www.dotnetperls.com/var - c#

http://www.daniweb.com/software-development/java/threads/316496/how-to-determine-the-sum-of-the-squares-of-two-numbers-using-a-recursive-method



http://www.vogella.com/tutorials/JavaAlgorithmsQuicksort/article.html

https://cs.wmich.edu/~llilien/teaching/2010spr/cs1120/_downloads/Lect.15c2--QuickSort%28modif%29.txt


http://www.java2s.com/Code/Java/Database-SQL-JDBC/CatalogDatabase-SQL-JDBC.htm