Inheritance and Polymorphism in Java: Using Superclasses and Subclasses,This article explains how Java’s inheritance has an “is-a” relationship between superclasses and subclass...

Designing User-Defined Methods in Java: Key Criteria,This post explores the criteria for designing user-defined methods in Java, focusing on functionality, reusability, maintainabi...

Arrays in Java: Characteristics, Usage, and Real-Life Scenarios,This article explores the characteristics of arrays in Java, such as their fixed size, efficient access, and type sa...

Operators in Java, Java Programming (4 Part Series) 1 Java Programming: Introduction 2 How to setup and run Java on your machine 3 Java Programming: Variables and Data Types 4 Oper...

Proxy Pattern, What is Proxy Pattern? Proxy pattern is a structural pattern that provides a surrogate or placeholder for another object to control access to it. When to use it? The...

State Pattern, What is State Pattern? State pattern is a behavioral pattern that allows an object to alter its behavior when its internal state changes. The object will appear to c...

Composite Pattern, What is Composite Pattern? Composite pattern is a structural pattern that allows you to compose objects into tree structures to represent whole-part hierarchies....

Iterator Pattern, What is Iterator Pattern? Iterator pattern is a behavioral pattern that provides a way to access the elements of an aggregate (collection) object sequentially wit...

OOP-Camp 4.1: The Secret Lives of Primitive Types, In the Beginning, The Nerds Made 1 and 0 And Saw that it Was Good I used to tell my high school students that what programmers di...

Template Method Pattern, What is Template method pattern? Template method pattern defines the skeleton of an algorithm in a method, deferring some steps to subclasses. Template met...

Facade Pattern, What is Facade Pattern? Facade pattern is a structural pattern that provides a unified interface to a set of interfaces in a subsystem. Facade defines a higher-leve...

Adapter Pattern, What is Adapter Pattern? Adapter pattern is a structural pattern that converts the interface of a class into another interface the clients expect. Adapter lets cla...