Java is one of the most in-demand programming languages today and is used for the Internet of Things, APIs, in big data technologies, e-commerce websites, scientific applications, and more. It's even ...

Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

Kotlin was designed to bring more flexibility and flow to programming in the JVM. Here's an in-depth look at how Kotlin makes working with classes and objects easier and introduces coroutines to ...

Imagine you are an expert object-oriented Java developer who meticulously crafts code the way an artist cares for their masterpiece. You believe clean code is an absolute necessity. Classes with clear ...

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What is the single responsibility principle? The single responsibility principle in Java demands that a class serves a single, clear purpose. Any attempt to add peripheral functionality to a ...

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may ...