In Java, nested classes are categorized as either static member classes or ... as local classes because (as with local variables) they are local to the methods in which they are declared.

The static keyword often confuses junior Java developers. A static variable is one that is not attached to an instance, and a static method is one that does not require an instance to be invoked.

Reflection was essential to the advanced Java ... methods and fields on objects but in a cleaner API. As the names imply, both MethodHandle and VarHandle give you “handles,” which are ...

As a class, String also has methods, meaning that it can provide useful data about itself such as its length. The same is true for other types, such as Arrays. Arrays in Java are variables that ...

Instance main methods and unnamed ... main methods: Java has always been an easy language to learn. However, several requirements — the need to define a class, declare a String array, use an access ...