Java

Java copied to clipboard

Added Count Total Set Bits from 1 to N (Bit Manipulation)

1

## Description This PR adds an implementation for counting the total number of set bits from 1 to N using bit manipulation. The algorithm efficiently counts bits using mathematical observation...

Shewale41

[FEATURE REQUEST] Huffman Coding Compression Algorithm

2

### What would you like to Propose? **Title:** Add Huffman Coding for Lossless Compression and Decompression --- ### 🧠 Overview Implement **Huffman Coding**, a greedy algorithm used in file compression...

Shewale41

[FEATURE REQUEST] <title>Add Knapsack Algorithm in Java (Dynamic Programming) [Hactoberfest]

3

### What would you like to Propose? This issue is created as part of Hacktoberfest 2025. I would like to propose adding the **0/1 Knapsack Algorithm** implemented in **Java** using...

Dhanyasri7

[OTHER] Looking for help developing a portal with Java/Spring Boot

6

### What would you like to share? Hi everyone 👋, I’m currently working on a modular home-server portal and could use some help with development in Java / Spring Boot....

DenizAltunkapan

Added PowerOfFour algorithm in bitmanipulation

1

- [ ] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [ ] This pull request is all my own work -- I have not plagiarized it. - [ ] All filenames are...

Mansi5164

Added program to check Lucky number

1

Added program to check if a given number is a Lucky number or not using recursive and iterative approaches with testcases - [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This...

TaranjeetSinghKalsi

Add binary tree paths

2

- [ ] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [ ] This pull request is all my own work -- I have not plagiarized it. - [ ] All filenames are...

konduri-lakshmi-prasanna

Added function to check happy number with testcases

1

Added a function to check if a given number is a happy number or not. Also added and improved testcases. - [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull...

TaranjeetSinghKalsi

### What would you like to Propose? **Title:** Add One-Time Pad Cipher Implementation --- ### 🧠 Overview The **One-Time Pad (OTP)** is an unbreakable cipher (if key truly random and...

Shewale41

### What would you like to Propose? would like to add a new problem titled "Collision Detection of N Robots" implemented in Java. The problem involves simulating robot movements on...

freqcoder19