Polymorphism with the core Java classes. We use polymorphism all the time in the core Java classes. One very simple example is when we instantiate the ArrayList class declaring the List interface ...

What you’ll learn in this Java tutorial. The four types of Java polymorphism; About subtype polymorphism; ... Packages and static imports in Java. Sep 5, 2024 22 mins. how-to.

Twenty-three years ago, in his Design Principles and Design Patterns article, Robert "Uncle Bob" Martin boiled down the Liskov substitution principle to the idea that "derived classes should be ...

Checkstyle produces easily understood results. There is a simple Maven Checkstyle plugin, and the Checkstyle plugins for Eclipse, NetBeans and IntelliJ enable it to easily integrate into all of the ...