I did another pass on compiler2, and managed to wire in signature support. So let’s look at a couple examples: class MyRubyClass def helloWorld puts "Hello from Ruby" end def goodbyeWorld(a) puts a ...

Constructors play a key role in all object-oriented programming languages, and Java is no exception. Every class a Java developer creates needs a constructor. Constructors perform numerous important ...

Understanding type compatibility is fundamental to writing good Java programs, but the interplay of variances between Java language elements can seem highly academic to the uninitiated. This article ...

Design symmetry means that if one method causes an effect, the logically opposite method should cause the opposite effect. In this Java tip, David Petersheim discusses why this can be a subtle point, ...