Contains the solutions for the programming questions in the CodingNinjas Java+DSA course

java tree linked-list queue graphs priority-queue recursion binary-search-tree binary-tree java-8 linkedlist time-complexity dynamic-programming sorting-algorithms-implemented oops stacks tries algorithms-and-data-structures hashmap-java codingninjas-java-dsa

• Updated Oct 11, 2022
• Java

🚀 推出 SivanCacheFramework！一款轻量级、高效的 缓存框架，让 缓存操作 变得不再复杂，提升数据处理速度，为开发者节约宝贵时间。

java map redis cache hashmap concurrenthashmap caffeine-cache hashmap-java

• Updated Feb 2, 2026

Set of concurrent wrappers around fastutil primitive maps

java maps concurrency locks concurrenthashmap primitive-types hashmaps fastutil java-concurrency hashmap-java threadsafety

• Updated Apr 24, 2026
• Java

Java OOP project demonstrating Collection Framework and Generics for SLIIT coursework. Includes implementations using PriorityQueue for book management and HashMap for inventory tracking with add, update, and remove operations.

java oop priority-queue oop-principles abs collections-framework java-generics oop-in-java hashmap-java

• Updated Nov 4, 2025
• Java

📚 Welcome to the ☕️ code exercise repository for the Paraninfo Programming book by Alfonso Jiménez Martín and Francisco Manuel Pérez Montes (ed. Paraninfo)! 👨‍💻 Improve your coding skills with carefully written and commented exercises 📝, ranging from simple to complex.

java functions matrix class streams loops file-handling string-manipulation arrays hashset poo if-else java-exercises arraylist jdbc-database java-examples hashmap-java binaryfiles

• Updated May 27, 2023
• Java

This is a simple Java console application for an online shopping system. It allows users to log in, buy products, cancel products, display all products, and log out. The application uses a HashMap to store user credentials and a separate Business Logic (BL) class to handle the buying and cancelling of products.

java learning ecommerce opensource hashmap shopping console-application businesslogic beginnerfriendly mitlicense hashmap-java

• Updated Apr 25, 2023
• Java

Simple tool for hashmap analysys

java hashmap hashtable hashbucket hashmap-java

• Updated Feb 26, 2023
• Java

My Daily Java Works

serialization linked-list thread data-structures java-8 hacktoberfest oops-in-java hashmap-java linkedmap set-java

• Updated Nov 19, 2025
• Java

Java Basics

java lambda list functional-programming string datetime topics array inheritance coding hashmap java-8 coding-interviews coding-challenge hashmap-java

• Updated Aug 29, 2026
• Java

A short Java-based project that explores the problem of determining if a target sum can be achieved using elements from a given array, employing both a basic recursive approach and an optimized version using memoization

java memoization recursion dynamic-programming combinatorial-optimization algorithm-complexity hashmap-java

• Updated Jan 15, 2024
• Java

Design of an inventory control system for a store.

java collections inventory-management terminal-app array-manipulations hashmap-java

• Updated May 27, 2022
• Java

This Java program defines two functions, howSum and improvedHowSum, to find a combination of numbers that add up to a given target sum, using a simple recursive approach and a more efficient recursive approach with memoization, respectively.

java memoization recursion dynamic-programming combinatorial-optimization algorithm-complexity hashmap-java

• Updated Jan 12, 2024
• Java

The main purpose of this project is to provide you the opportunity to use your different implementations of MapSet to determine the frequencies of all the words in a given text document. The ability to identify word frequencies in a large corpus has been the basis for a number of different research projects in the digital social sciences.

binary-search-tree hashmap-java

• Updated May 23, 2023
• Java

Contains the solutions for Java DSA questions, codechef long challenge and starters

java tree linked-list stack queue graph trie priority-queue recursion backtracking dynamic-programming codechef-solutions binarysearchtree timecomplexity oops-in-java searching-sorting hashmap-java codingninjasfundamental codingninjas-java-dsa

• Updated Mar 7, 2022
• Java

Welcome to the June LeetCode Challenge Solutions repository! This repository contains a collection of solutions to LeetCode questions that were featured in the June challenge.

java go golang leetcode graph string sort hashmap leetcode-java two-pointers hashmap-java leetcode-june-challenge

• Updated Jun 30, 2024
• Go

I implement this game in java to understand how physics principles are implemented through programming.

java data-structures polynomial-calculator hashmap-java

• Updated Jan 3, 2023
• Java

Encontrar el camino en un grafo

java graph maven graphs javadoc hashmap bfs graph-pathfinding bfs-algorithm bfs-search hashmap-java graph-path-finder

• Updated Mar 24, 2025
• HTML

Ejercicio de Java 07 (ejercicio de Java para el canal ejerciciosmesa.com)

hashmap diccionario hashmap-java ejerciciosmesa espanol-ingles array-asociativo tabla-asociativa ejercicio-java

• Updated Apr 19, 2023
• Java

About This repository contains my solutions to the questions from the LeetCode Daily Problem. Each solution enhances problem-solving skills and covers various topics essential for technical interviews. Given as {date month year}.

algorithms graph strings binary-search-tree binary-tree arrays dynamic-programming trees stacks sliding-windows queues dsa two-pointers hashmap-java dsa-practice

• Updated Feb 18, 2025
• Java

Mini-iTunes clone using Android activities, fragments, listViews & HashMaps for data management

android-fragments android-activities listview-android hashmap-java

• Updated Feb 19, 2024
• Java