If you look closely, it is also clear that this code does not pass the “is a” test. Now let’s try the same example using composition: import java.util.HashSet; import java.util.Set ...

In Java 101: Inheritance in Java, Part 1, you learned how to leverage inheritance for code reuse, by establishing is-a relationships between classes. Composition is a closely related programming ...

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar ...