Java Challenge Day 3: Matryoshka Dolls

Matryoshka dolls, Moscow, a photo by neiljs on Flickr.

Very little writing of code today. Instead the authors used the imagery of Russian stacking dolls to explain the layering aspect of Java. Really though, the chapter introduces the concepts of variables, constants, data types and comparisons. And while there are some syntactical nuances to Java, the fundamental ideas are the same throughout programming.