I agree that there are some ill conceived resources out there but there are some who walk the walk and talk the talk: - Erich Gamma contributor to eclipse as well as JUnit (Design Patterns: Elements of Reusable Object-Oriented Software) - Kent Beck key contributor to JUnit - Joshua Bloch key author of the collections API in java (Effective Java) - Donald Knuth - James Gosling creator of Java and the Java programing language book