Skip to main content

CodeNSkillCore Java Spring Framework System Design Interview Preparation

Introduction
Java Logical Questions
- Beginner
- Intermediate
Java Theory Questions
Java Stream Questions
- Stream Questions - Beginner
- Stream Questions - Intermediate
Postgresql Commands
- PostgreSQL Commands

Java Logical Questions

Java Logical Questions

Java Interview Questions

📄️ Beginner

1. Reverse a number

📄️ Intermediate

1. Reverse a String

Tutorials

Core Java
Interview Questions
Spring boot
System Design
High Level Design - HLD
Low Level Design - LLD

Community

X

More

GitHub

Copyright © 2026 CodeNSkill.