Jan 24 · 3 min read · Programming language වල Data Store කරන විදි දෙකක් තියෙනවා: Primitive Types Reference Types (Non-Primitive Types) මේ දෙක අතර මූලික වෙනස තියෙන්නේ Memory එකේ Data තියෙන විදිහ. Primitive Types කියන්නේ මොනවද? Primitive type එකක් කියන්නේ simple value...
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Nov 11, 2025 · 3 min read · In programming, data types are fundamental to defining the kind of data a variable can store. They are typically categorized into primitive data types and non-primitive data types. Primitive Data Types Primitive data types are the most basic types of...
Join discussionSep 30, 2025 · 3 min read · Em Java os tipos são separados em dois grupos: Tipos primitivos Tipos de referência Em Java existem 8 tipos primitivos que vem de fábrica com a linguagem e são referenciados por palavras reservadas como int. Além dos tipos primitivos, os tipos de r...
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Jul 14, 2025 · 2 min read · For years, I found myself second-guessing which method to use when converting between primitives, wrapper classes, and strings in Java. Do I use valueOf() here? What about parseInt()? When should I use toString()? If that confusion sounds familiar, h...
Join discussionJul 12, 2025 · 4 min read · Purpose I wrote this article to clear up confusion about null and undefined, so we can be better prepared for interview questions. These are very basic concepts in JavaScript, but they often cause confusion, especially for beginners. Introduction As...
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Jul 9, 2025 · 12 min read · If you've been writing Java for a while, you've probably used both int and Integer without thinking much about the difference. While Java's auto-boxing and unboxing features make our code more convenient to write, they can silently destroy your appli...
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Jun 11, 2025 · 4 min read · In JavaScript, objects are one of the most powerful data structures used to represent real-world entities. But behind the scenes, there's a whole world of memory management concepts like stack, heap, garbage collection, and memory leaks. This article...
Join discussionApr 24, 2025 · 5 min read · In JavaScript, primitives (like string, number, boolean, symbol, bigint) are not objects. But you can still call methods on them, like: let str = "hello"; console.log(str.toUpperCase()); // "HELLO" 🔍 What’s happening behind the scenes? When you acc...
Join discussionMar 9, 2025 · 3 min read · When writing JavaScript programs, we often work with different types of data. Some data types are simple, like numbers or single characters, while others are more complex, like lists of data or objects. These data types are broadly categorized into P...
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