Mar 13 · 7 min read · Arrays are great for lists. But what if you need to describe something — with multiple details about it? That's where objects come in. They're one of the most important building blocks in JavaScript,
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Feb 4 · 6 min read · Source: Series of Questions in Backend Developer Interviews Part 3 1. Deep Copy vs Shallow Copy – What Really Happens? Developers often say “shallow copy copies reference, deep copy copies data,” but this shortcut hides the subtlety that expla...
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Nov 29, 2025 · 7 min read · Source: Ways to Use the Factory Pattern for Simplified Object Creation in Java 1. The Factory Pattern Concept In modern Java development, repeatedly using new to create objects can scatter construction logic throughout the code and make future...
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Sep 21, 2025 · 3 min read · Java 25 is out, and it brings some exciting improvements under the hood. One of the most impactful features for backend developers is Compact Object Headers (JEP 519). Even if your code hasn’t changed, upgrading to Java 25 can reduce memory usage, im...
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Aug 31, 2025 · 20 min read · Introduction: The Building Blocks of JavaScript Imagine organizing a grocery store. You'd have lists of items (like a shopping list) and detailed information about products (like name, price, and category). JavaScript provides two perfect tools for t...
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