Feb 9 · 6 min read · JavaScript provides powerful abstractions that help developers write cleaner, declarative, and more readable code. One such core concept is Array Methods. JavaScript Array Methods. Most modern array methods are higher order functions because they acc...
Join discussionNov 20, 2025 · 7 min read · Im Oktober 2025 hatte ich die Gelegenheit, bei der betterCode Java 2025 einen Vortrag zum Thema "Stable Values - JVM-optimierte Immutability" zu halten. Der Vortrag drehte sich um JEP 502 "Stable Values" und wie dieses Feature die Art und Weise verän...
Join discussionNov 15, 2025 · 1 min read · Python learners often wonder which data types can be changed after creation and which remain fixed. Understanding mutability is key to mastering how Python handles memory and data. Tuples are a popular data structure, but are they mutable or immutabl...
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Jul 22, 2025 · 7 min read · Introduction We will explain how to create an object in Java. It has evolved from the old Javabeans to the use of features in the latest versions of the language. Setters and getters We have a Person with three attributes: name, age and gender. impor...
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Jul 3, 2025 · 14 min read · Do you find it hard to debug or test your JavaScript code due to the growth in the codebase (all files and code needed to run a software application), or do you ask yourself why you keep repeating the same code when you could write it once and reuse ...
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Jun 10, 2025 · 10 min read · A String é uma classe fundamental do Java. Ela é basicamente uma sequência de caracteres. Porém, ao contrário de outras linguagens, no Java uma String não é um array de char. Vejamos como criar nossa primeira String: String nome = "Rômulo"; Também p...
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Jun 8, 2025 · 10 min read · In today's multi-core, distributed, and asynchronous computing landscape, software doesn't execute one thing at a time. It handles thousands — often simultaneously. Without clear rules about how these concurrent operations interact, systems risk inco...
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Feb 18, 2025 · 5 min read · String Initialization in Java public class StringInitializationExamples { public static void main(String[] args) { // Using string literal String str1 = "Hello, World!"; // Using new keyword ...
Join discussionFeb 10, 2025 · 5 min read · 자바스크립트에서 불변성(Immutable)에 대한 설명을 찾아보면 오히려 헷갈리는 경우가 많았다. 나도 처음에는 "불변성이 새로운 값을 할당할 때, 기존 값이 변경되는 것이 아니라, 새로운 메모리 공간에 저장된다"라고 단순하게 이해했었다. 하지만 이렇게만 알면 디테일이 빠져 공부할수록 더 혼란스러웠다. 따라서 이번 포스팅에서는 내가 직접 정리한 불변성과 가변성에 대한 개념을 명확하게 설명하고자 한다. 📌 불변성 자바스크립트에서 불변성을 구분...
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Dec 1, 2024 · 3 min read · Introduction This article introduces concepts of mutability and immutability in computer science. It’s very important to understand it because it’s going to help you to solve errors in the future. Especially, beginners often face situations such that...
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