@manishpushkar

Getting Started with DSA - 7 Day Plan

4d ago · 14 min read · Before Writing Code Purpose of Data Structure - How do I organize information so that the operations I care about are fast? An array stores items contiguously, so random access is instant.A hash map t

LLD - Memento Design Pattern

May 29, 2025 · 5 min read · Memento Design Pattern This behavioral design pattern allows an object to save and restore its previous state without violating encapsulation. When to Use When you need to implement undo/redo functio

LLD - Mediator Design Pattern

May 8, 2025 · 7 min read · Mediator Design Pattern Mediator Pattern is a behavioural design pattern that defines an object called a Mediator to centralize complex communications control the interactions between multiple objects called colleagues reduce direct dependencies b...

LLD - Proxy Design Pattern

Apr 20, 2025 · 6 min read · Proxy Design Pattern This is a structural design pattern that provides a substitute or placeholder for another object to control access, add additional functionality, or delay its creation. Its like a "middleman" or a "gatekeeper" between a client a...

LLD - Flyweight Design Pattern

Apr 20, 2025 · 5 min read · Flyweight Design Pattern This is a structural design pattern that is used to minimize memory usage by sharing as much data as possible with similar objects, instead of creating new instances for every object. Shares intrinsic (internal, immutable) ...