When a method looks too long, or it's becoming to hard to test, a good practice is to take a minute and calculate the McCabe cyclomatic complexity of the Java method in question ... Base this choice ...

This process of depreciation can be expressed as a mathematical formula, and a Java programmer ... How to Calculate the Accumulated Depreciation Under the Units of a Production Method How to ...

As well as simplifying source code, lambdas play an important role in Java’s functionally-oriented Streams API. They describe units of functionality that are passed to various API methods.

Reflection was essential to the advanced Java toolkit for years ... these classes give you the ability to access methods and fields on objects but in a cleaner API. As the names imply, both ...