Guideline: Extend-Relationship

Implementing an Interface and extends class

extends vs implements in Java: Which Keyword to Use?

Java extends Keyword with Examples - TechVidvan

What is the Difference Between extends and implements in Java

Class extends Object?

U.S. Job Growth Eases, but Extends Its Streak - The New York Times

Difference between Extends and Implements in Java with Examples - TechVidvan

Tony Evers extends increases for public schools in perpetuity

Senate extends nuclear liability-limiting law without public scrutiny. Here's why we should care. - Bulletin of the Atomic Scientists

Akira Ransomware Extends Reach to Linux Platform — Cyble