Java Full Stack Preparation

This repository contains my ongoing preparation for Java Full Stack Developer roles.

I am using this repository to practice coding problems, revise concepts, learn backend and database technologies, and prepare for technical interviews.

Topics Covered

Core Java

• Java fundamentals
• OOP
• Exception Handling
• Multithreading
• Collections
• Strings
• Arrays
• Problem Solving

SQL & Databases

• MySQL
• SQL fundamentals
• DDL, DML, DQL, DCL and TCL
• Joins
• Functions
• Grouping and Aggregation
• Subqueries
• Advanced SQL
• SQL Interview Questions

Java Backend

• JDBC
• Maven
• Spring
• Spring Boot
• REST APIs
• Hibernate / JPA
• Postman

Frontend

• HTML
• CSS
• JavaScript
• Bootstrap

Projects

• Practical Java Full Stack projects
• Database-based applications
• Backend and REST API projects

Repository Structure

• 01-Problem-Solving – Coding and problem-solving practice
• 02-Collections – Java Collections practice
• 03-SQL – MySQL learning and interview practice
• 04-JDBC – JDBC concepts and practice
• 05-Spring-Boot – Spring Boot learning and practice
• 06-Projects – Practical projects

Progress

This repository is a work in progress.

I will continuously update it as I learn new concepts, practice coding problems, explore Java Full Stack technologies, and prepare for technical interviews.

New topics, queries, programs, notes, and projects will be added as my preparation progresses.