Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method. Polymorphism refers to the ability of some entities to occur ...

These custom types might be implemented as Data Transfer Objects (DTOs), as JavaBeans, as Value Objects, as Reference Objects, or any other custom type (in Java, typically a class or enum).

Java's naming convention standards Java's standard naming conventions to differentiate between classes, types, methods, packages and variables include the following: Traditional PascalCase.

How to add Java Scanner char support The Java Scanner class provides methods that take String input and convert that String into any Java primitive type you might need, except for one: the char.