Learn how to use the Command pattern to encapsulate requests as objects that you can execute alone or in sequence in your Java programs. Topics Spotlight: AI-ready data centers ...

Notice that a lot of the statements in Java use periods in this way too (like System.out.println). This is because classes in Java are absolutely fundamental to the way it works.

I like to use a verbose lambda syntax when demonstrating how they work, but one of the reasons for using lambda expressions is to make Java less verbose. So the lambda expression above can be written ...