Safely Iterating ArrayList when removing elements
ArrayList Behavior on remove(index) When you do: list.remove(i); ✅ When to Decrement or Avoid Incrementing You should not increment the […]
Java
Java
Git Setup on Mac
If Homebrew isn’t installed on your Mac yet. Let’s get that installed first. To Install Homebrew on macOS: Open Terminal,
Java
Converting Data Types to and from String in Java
Part 1: Converting Various Data Types to String in Java ➤ Using String.valueOf() Method Java’s String.valueOf() method is a handy
Java
De Morgan’s theorem
When you first dive into Java programming, you might find boolean expressions and conditional logic a bit daunting. However, understanding
Sorting
Quick Sort
Quick Sort: A Step-by-Step Guide Quick sort is a powerful divide‐and‐conquer algorithm that efficiently sorts an array by leveraging partitioning
Sorting
Merge Sorting
Merge Sort: A Friendly Guide for Students Are you looking for a clear, step-by-step explanation of how Merge Sort works?
Uncategorized
Understanding Binary Heap with PriorityQueue
Introduction A binary heap is a specialized tree-based data structure that efficiently maintains a priority queue. In Java, PriorityQueue implements
Stacks
Learn Stack Data Structure with a Simple Java Program
Introduction Are you a high school student looking to master data structures in Java? One of the fundamental structures in
Java
Merging Two Sorted Arrays Using Three Pointers in Java
Introduction Merging two sorted arrays is a fundamental problem in programming, commonly encountered in sorting and searching algorithms. Understanding how
Java
Java Queues – Reverse a Queue
A queue is a data structure that follows the FIFO (First In, First Out) principle. This means the first element