@onkeshgupta

Onkesh Gupta

@onkeshguptaDelhi, IndiaJoined August 2026

Breaking Systems. Learning Why. Building Better.

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The Engineering Notebookonkeshgupta.hashnode.dev3 posts

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OGOnkesh Guptaonkeshgupta.hashnode.dev13h ago · 6 min read

SOLID Principles Simplified #3: Liskov Substitution Principle (LSP)

Okay... That sounds much more complicated than it needs to be. What does "usable wherever" actually mean? Let's forget the definition for a moment and start with a problem. Imagine this... You are bui

OGOnkesh Guptaonkeshgupta.hashnode.dev3d ago · 5 min read

SOLID Principles Simplified #2: Open/Closed Principle (OCP)

Sounds contradictory, doesn't it? How can something be open and closed at the same time? When I first came across the Open/Closed principle, this was the part that confused me the most. So instead of

OGOnkesh Guptaonkeshgupta.hashnode.devAug 14 · 5 min read

SOLID Principles Simplified #1: Single Responsibility Principle (SRP)

If you've ever opened a class and found hundreds or even thousands of lines of code doing completely different things, you've probably experienced the problem that the Single Responsibility Principle

Onkesh Gupta

About

Available for

Onkesh Gupta's blogs

Recently published

SOLID Principles Simplified #3: Liskov Substitution Principle (LSP)

SOLID Principles Simplified #2: Open/Closed Principle (OCP)

SOLID Principles Simplified #1: Single Responsibility Principle (SRP)

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Onkesh Gupta

About

Available for

Onkesh Gupta's blogs

Recently published

SOLID Principles Simplified #3: Liskov Substitution Principle (LSP)

SOLID Principles Simplified #2: Open/Closed Principle (OCP)

SOLID Principles Simplified #1: Single Responsibility Principle (SRP)