Java + PostgreSQL

http://zetcode.com/db/postgresqljavatutorial/

http://www.java-samples.com/showtutorial.php?tutorialid=202

http://alvinalexander.com/blog/post/jdbc/sample-java-jdbc-program-connect-database

Configuring: http://jdbc.postgresql.org/documentation/head/setup.html

Download Driver: http://jdbc.postgresql.org/download.html

Checking JDBC: http://stackoverflow.com/questions/4215742/how-to-test-if-jdbc-driver-is-installed-correctly-and-if-the-db-can-be-connected