🚀 Complete Java - A to Z ║ 📚 Notes and Programs of all Important Concepts of Java - OOPS, Data Structures, Algorithms, Design Patterns & Development + Kotlin + Android 🔥

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• Updated Aug 22, 2025
• Java

Complete roadmap for your placement or intern preparation!

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• Updated Aug 6, 2023
• C++

Various Low Level Object Oriented System Design problems are discussed in this space

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• Updated Feb 2, 2025
• Java

Low level deisgn for cache system

cache design-patterns interview interview-questions oops object-oriented-programming oops-in-java design-principles low-level-design machine-coding low-level-design-problems

• Updated Apr 7, 2024
• Java

Oops concepts and principles in Java.

oop-principles object-oriented-programming oops-in-java

• Updated Jun 20, 2022
• Java

Repository for low level design solution of parking lot

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• Updated Apr 19, 2024
• Java

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• Updated Apr 7, 2024
• Java

Java-DSA-OOPS-PrepHub is your ultimate resource for mastering Java, Data Structures, Algorithms, and Object-Oriented Programming, specifically tailored for interview and placement preparation. Dive into curated books, cheat sheets, interview questions, and detailed handwritten notes to boost your coding skills!

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• Updated Sep 6, 2025

Repository contatining the low level system design of Chess.

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• Updated Apr 19, 2024
• Java

This repository can act as a guide if you are trying to learn Java

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• Updated Oct 14, 2020
• Java

We have to design a message queue supporting publisher-subscriber model.

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• Updated Apr 17, 2022
• Java

Javaistic is a free, open-source website to learn Java — from basics to advanced topics like arrays, recursion, strings, and more.

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• Updated Apr 21, 2026
• MDX

Three Java projects assigned for the Introduction to Object-Oriented Programming (CMPE 160) course in the Spring 2021 semester.

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• Updated Aug 8, 2022
• Java

Recipies for good coding practices

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• Updated Dec 25, 2020
• Java

A Java-based airline reservation system that uses Object-Oriented Programming. The system can manage customers, admins, flight booking and cancellation. It also includes many other features implemented in Java using OOP concepts like inheritance, encapsulation, association, and composition.

java oop object-oriented-programming oop-concepts oops-in-java object-oriented-programming-project javaapps

• Updated May 11, 2022
• Java

A Java-based Course Enrollment Management System with secure authentication, role-based access (Student/Admin), and persistent data storage. Built using Maven for easy setup and deployment.

java project oops-in-java

• Updated Feb 15, 2026
• Java

oop design-patterns interview interview-questions oop-principles oops lld object-oriented-programming oops-in-java design-principles low-level-design low-level-design-problems

• Updated Feb 14, 2021
• Java

This repository contains the Assignment code of Object Oriented Programming Assignments of SPPU, Second Year IT Syllabus (2019 pattern)

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• Updated Jun 14, 2021
• Java

Resume Builder using Java and JDBC

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• Updated Jun 8, 2020
• Java

A hotel management system, made using object-oriented programming, multi-threading and file-handling in Java, that keeps records of guests & their bookings, rooms, admins, staff, etc.

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• Updated Jul 21, 2022
• Java