One of the easiest ways to understand what is meant by ‘object oriented’, is to define what it is not. Before Object Oriented Programming (OOP) programs were written an imperative way ...

Object-oriented programming is built around the concept of 'objects', which are instances of 'classes'. These classes define the properties and behaviors that their objects will have.

The definition of the Person class above would allow us to easily, even accidentally, change a Person's name. In fact any piece of code that can access the Person can change its name. This could ...

In class-based object-oriented programming, a supertype is a class that another class descends from. In OOP-speak, we say the subclass inherits from the superclass.

Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

Inheritance: It is also called Is-A relationship.Inheritance is a fundamental concept in object-oriented programming, allowing a new class to inherit the properties and behaviors of an existing ...

Inheritance basically means that developers can define subclasses that have all the properties that their parent class has. This wasn’t introduced to object-oriented programming until 1976, a ...