Many years ago, back when I used to answer my landline telephone, I found myself in a conundrum. I realized that, when a caller asked, “May I speak to June, please?” I would answer, “This is she.” But ...

Predicate methods allow you to separate the criteria you're using to test items in a collection from the code that processes the collection. You may never write a For...Each loop again. Here are some ...

A great deal of Java programming -- from conditional statements to iterative loops -- deals with the evaluation of true or false values. When you work with the JDK's Streams API and Lambda functions, ...