https://www.compilemymind.com/tags/object-oriented-programming/ Recent content in Object-Oriented-Programming on Compile My Mind Hugo en Wed, 19 Aug 2026 15:19:19 +0300 https://www.compilemymind.com/posts/object-oriented-programming-principles/ Wed, 19 Aug 2026 15:19:19 +0300 https://www.compilemymind.com/posts/object-oriented-programming-principles/ <p>The bug looks harmless: a checkout feature needs to change a parcel&rsquo;s weight, so one line of code assigns a new value directly.</p> <p>Nothing crashes. The application keeps running. But the new value is negative, the shipping price becomes nonsense, and now every caller must remember a rule that should have lived in one place.</p> <p>Object-oriented programming is often introduced with animals, vehicles, and a slogan about &ldquo;real-world objects.&rdquo; That can make OOP sound like an exercise in naming classes. Its more useful purpose is this: <strong>put related state and behavior behind boundaries that keep the program valid as it changes</strong>.</p>