SAShai Almogindebugagent.com·12h ago · 5 min readA Lightweight Rich Text Component Without a Web ViewPR #5421 adds RichTextComponent, a read-only component for formatted application text. It supports headings, inline styles, lists, links, and images without embedding a web view. What is Codename One?00
Kkameninpureengine.hashnode.dev·23h ago · 9 min readMapping Strategies Without the Magic (Chapter 4)At the end of the previous chapter, I teased that we were about to dive straight into the heavy machinery of DAO implementation - hooking up Spring Data JPA and Hibernate under the hood. If you look a00
SSSubham Sahainsubham59036.hashnode.dev·20h ago · 23 min readComplete Beginner to Advanced Level Two Pointer, Sliding Window, Fast & Slow Pointers, Cyclic Sort, Merge Intervals, Two Heaps, Top-K Elements, K-Way Merge, Matrix/Island Traversal — A comprehensive guide in JavaIntroduction Beyond the foundational algorithms (sorting, searching, graph traversals) lies a set of powerful, reusable problem‑solving patterns. These patterns are the secret weapons of efficient cod00
SSSubham Sahainsubham59036.hashnode.dev·21h ago · 20 min readComplete Beginner to Advanced Level Brute Force, Backtracking, Greedy, Divide and Conquer, Recursion, Dynamic Programming (memoization, tabulation, Knapsack, LCS, LIS) — A comprehensive guide in JavaIntroduction Algorithmic paradigms are the mental models that guide problem‑solving. A single programming problem can often be attacked in multiple ways — brute‑force, greedy, divide and conquer, or d00
VMVaishali Malviyainjavawithvaishali.hashnode.dev·21h ago · 3 min readUnderstanding "JDK, JRE and JVM" in java : A Beginner Friendly Guide If you are starting your Java journey, you have probably heard terms like JDK, JRE, JVM. Many beginner get confused about the difference between them. I will explain JDK, JRE and JVM in simple and eas00
SSSubham Sahainsubham59036.hashnode.dev·21h ago · 21 min readComplete Beginner to Advanced Level Binary Trees, Binary Search Trees, Traversals, AVL Trees, Red-Black Trees, B-Trees, B+ Trees, Trie, Segment Trees, Fenwick Trees — A Comprehensive Guide in JavaIntroduction Trees are the most versatile and widely used hierarchical data structures in computer science. From file systems to databases, from compilers to network routing, trees underpin the softwa00
SSSubham Sahainsubham59036.hashnode.dev·21h ago · 22 min readComplete Beginner to Advanced Level Bubble, Selection, Insertion Sort, Merge Sort, Quick Sort, Heap Sort, Counting Sort, Radix Sort, Bucket Sort, Linear Search, Binary Search — A Comprehensive Guide in JavaIntroduction Sorting and searching are the most fundamental operations in computer science. Nearly every application relies on them — from displaying sorted product lists to finding a record in a data00
SSSubham Sahainsubham59036.hashnode.dev·21h ago · 18 min readComplete Beginner to Advanced Level Arrays, Singly/Doubly/Circular Linked Lists, Stacks, Queues, Deque, Hash Tables, Hash Sets — A Comprehensive Guide in JavaIntroduction Data structures are the fundamental building blocks of software engineering. A solid understanding of when and how to use each structure directly impacts the performance, readability, and00
SAShai Almogindebugagent.com·1d ago · 6 min readPure Codename One Text Editing Without Native OverlaysPR #5386 adds a pure Codename One text-editing path. EditField, RichTextArea, and CodeEditor can now keep their document, selection, and painting inside the lightweight UI while each port supplies key00
AKAshutosh Krishnainblog.ashutoshkrris.in·1d ago · 25 min readDemystifying Number Systems: An Engineer's Guide to Binary, Octal, and HexadecimalImagine you were born with only two fingers, one on each hand. How would your everyday life change? When you went to the store to buy apples, how would you count them? You might count "zero, one, two,00
