Download the source code for example applications ... tasks in the context of your Java classes. First, let’s consider the basic rules and mechanisms for Object inheritance.

For example, a Java program obtains file I/O (input/output) services by creating ... interface inheritance prohibits interfaces from specifying code bodies. Instead, the class that implements ...

Imagine you are an expert object-oriented Java ... essentially create a closed-type system for their components. Sealed classes address precisely the type of inheritance control previously described.

So, I can demonstrate how class and sequence diagrams complement each other by looking at an example of the UML that simulates the standard Java event ... I will actually create a class that ...