Objects, State, and Behavior
Jan 3 · 3 min read · Object-oriented design starts with a simple but powerful idea:the object is the smallest meaningful unit of software design. An object is not just a structure in code. It is a boundary within which meaning, responsibility, and decisions come together...
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Why Object-Oriented Programming Exists
Dec 30, 2025 · 12 min read · 1. The Problem Before OOPS Before object-oriented programming, most software was written as a collection of functions operating on shared data. At small scale, this worked well. The logic was easy to follow, and changes felt manageable. Problems appe...
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Encapsulation: Protecting Your Data
Dec 26, 2025 · 5 min read · The word encapsulation comes from the idea of enclosing something within a protective boundary. Linguistically, it traces back to capsula (Latin), meaning a small container or box.The meaning is simple but powerful: Something valuable is placed insi...
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The Complete OOP in Java Guide: A Conversation With My Younger Self
Dec 21, 2025 · 20 min read · Hey there, younger me. I know. OOPs in Java sounds intimidating right now. Words like inheritance, polymorphism, abstraction, encapsulation feel like textbook traps designed just to confuse you. You've probably memorized definitions, written a few ex...
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