This article presents with an solution on how to page through large amountsofdata effectively without taking down your database and without keeping it all in memory.
Quite an old article on JavaWorld: "As part of the Java language, the java.lang package is implicitly imported into every Java program. This package's pitfalls surface often, affecting most programmers. This month, I'll discuss the traps lurking in the Runtime.exec() method."
The goal of this site is to provide examples and articles that simplify the learning process of various information technologies. -- Very good beginning resource