To illustrate how generics are used in the Java Collections Framework, let’s look at some examples. List and ArrayList with generics. In the above example, we already briefly explored a simpler ...

If you’ve read my Java 101 tutorial introducing static classes and inner classes, you should be familiar with the basics of working with nested classes in Java code.

Any attempt to add peripheral functionality to a well-designed class must be thwarted. Instead, you must place it into another Java component. Single responsibility and SOLID. The single ...