The example in Figure 1 illustrates single inheritance in which a ... because method overloading is legal. Java provides the protected keyword for use in a method-overriding context.

Inheritance and composition are two ... Now let’s try the same example using composition: import java.util.HashSet; import java.util.Set; public class CharacterCompositionExample { static ...

Use sealed classes in Java to control your inheritance Need to limit the number of possible subclasses in your codebase? Here comes Java's sealed classes to your rescue. Advanced Java pattern matching ...

For example, the following ... It's not good enough to simply use inheritance and apply the rules of polymorphism to your code. To write SOLID code, and properly implement the Liskov substitution ...