Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method.

In the following var examples, it’s not difficult for the reader to logically infer the type of each variable. Furthermore, the contrast between the explicit type declaration and the use of the var ...

Java’s main function Java’s main function Java’s main method is composed of six terms — three reserved words, the main method name, a reference type and a variable name: public – Java’s main function ...

Type erasure in Java generics programming can cause a variety of problems in your code. Fortunately, there are ways to work around them.