Class Library and Application Framework Implementation Once the design of the class library/application framework has been established and reviewed (typically through a peer-review process), the ...

You could clearly design and subsequently enhance that software because those assertions would advertise class, method, and interface contractual obligations.

Project Valhalla has posted a major update and has announced some initial, very early-stage design concepts for value types in the JVM.

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

Maximizing code reuse in your Java programs means writing code that is easy to read, understand, and maintain. Here are eight ways to get started.

Write once, debug/test everywhere is a variant on Java's write once, run anywhere claim, and it defines the Java Platform Debugger Architecture (JPDA). The JPDA is a client/server system built ...

Set up a Java program with a function to calculate depreciation. The important data items required for such a function are the estimated number of years the item will be in use (the "life" of the ...

Native support for delegation Kotlin, unlike Java, supports the “composition over inheritance” design pattern, via first-class delegation (sometimes known as implicit delegation).