Nov 20, 2025 · 4 min read · 1. Collections Framework – Overview The Java Collections Framework is a unified architecture for storing and manipulating groups of objects.It provides interfaces, classes, and utility methods that simplify data handling. Collections is a utility he...
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Sep 12, 2025 · 1 min read · Một số tài liệu học hay từ Google: Kỹ nghệ phần mềm: https://abseil.io/resources/swe-book/html/toc.html An ninh mạng: https://google.github.io/building-secure-and-reliable-systems/raw/toc.html Vận hành hệ thống: https://sre.google/sre-book/table-of-c...
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Sep 12, 2025 · 2 min read · Theo phân loại “năm mức ngu dốt” của anh Ngô Quang Hưng dẫn lại từ Phillip G. Armour (OI viết tắt của Order of Ignorance): 4OI - siêu dốt: chữ này tôi dịch bừa từ chữ meta-ignorance, vì meta-physics người ta dịch là siêu hình (học). Ở mức dốt này th...
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Jul 30, 2025 · 19 min read · Collection in Java The Java Collections Framework is a unified architecture for representing and manipulating groups of objects. It provides classes and interfaces to store, retrieve, and manipulate data efficiently. In Java, the Collection interfa...
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Jun 4, 2025 · 3 min read · Once upon a time in a magical land called JavaLand, there lived a young coder named Jay. Jay wanted to build a magical chest that could hold all sorts of things—scrolls, potions, swords, even spells—but he didn’t know which kind of container would su...
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May 22, 2025 · 4 min read · Think of coding without collections like building furniture without tools. You could do it… but why suffer? Let’s explore Java Collections with relatable examples, practical code, and clarity that sticks. 👋 Meet the Java Collections Framework Imag...
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May 1, 2025 · 6 min read · Generic definition HashSet is a data structure used to store a collection of unique elements. Unlike arrays or lists, the elements in a HashSet are not stored in a continuous order. When a value is added to a HashSet, it is first passed through a has...
Join discussionMar 17, 2025 · 4 min read · W dzisiejszym świecie rozproszonych systemów, mikro serwisów i różnych sposobów przechowywania danych coraz częściej musimy łączyć dane w warstwie obliczeniowej aplikacji. Do poszukiwania relacji między nimi często korzystamy z właściwości takich jak...
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Dec 14, 2024 · 7 min read · This backpack is special because it can hold all sorts of things, like toys, books, or even snacks! You can put things in, take them out, and organize them in different ways. In coding we call it a Collection. Let's understand them one by one. List<T...
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