InfoQ: JSR 311 Final: Java API for RESTful Web Services

IBM developerWorks: Mastering Grails: RESTful Grails: Build a resource-oriented architecture

InfoQ: Joshua Bloch: Bumper-Sticker API Design

Aaron Swartz: The Semantic Web In Breadth

Mock Objects: “Growing Object-Oriented Software, Guided by Tests”: Chapter 1. What’s the point of Test Driven Development?

Code To Joy: A fascinating quote attributed to James Gosling: “James Gosling once said that every configuration file becomes a programming language, so you might as well think that way.”

Wiki.Directi.Com: Building a Scalable Architecture for Web Apps – Part I

Previously: InfoQ: How to Design a Good API & Why it Matters