This means we don’t need to explicitly declare them as abstract. When default methods were introduced in Java 8, some developers thought they would be the same as abstract classes. That’s not ...

Abstract: There is an increasing need for effective testing of software for complex safety-critical applications. This paper proposes a supporting method of testing for Java programs by using Unified ...

In addition to the basic UML provided as an outline, I have added one rentable product and one non-rentable product. For rentable products, methods to manage rental status (rent, isRented, and return) ...

Please consider following general notes before start implementing: Create Java application based on the provided UML class diagram Create main method and create some ... interface, abstract class.