A multi-level parking lot management system designed using object-oriented design principles and classic design patterns. Built as part of LLD interview preparation (SDE-2/SDE-3 level). Supports ...

A console-based Hotel Reservation System built in Java, implementing core OOP principles including interfaces, inheritance, polymorphism, and the Singleton design pattern.The application simulates a ...

Those coming from the world of TypeScript or Java initially think of classes, interfaces, and generics when they hear “types.