☕ Core-Java

A comprehensive collection of Core Java concepts and backend development codes covering Multithreading, JDBC, Hibernate, File Handling, Debugging and more — written in Java.

💼 Incoming Software Engineer @ Accenture | 🎓 NIT Hamirpur

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📌 Table of Contents

• Core Java
• Multithreading
• JDBC
• Hibernate
• File Handling
• Debugging

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📂 Core Java

Fundamental Java concepts including OOPs, Collections, Generics, Exception Handling, Streams, Lambda Expressions and more.

Topic	Folder
OOPs, Collections, Generics, Streams & more	View Code

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📂 Multithreading

Concepts and implementations of Java Multithreading including Thread lifecycle, Synchronization, Executor Service, Locks, and Concurrency utilities.

Topic	Folder
Thread lifecycle, Synchronization, Concurrency	View Code

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📂 JDBC

Java Database Connectivity implementations covering database connection, CRUD operations, PreparedStatements, Transactions and more.

Topic	Folder
DB Connection, CRUD, Transactions	View Code

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📂 Hibernate

ORM implementations using Hibernate including Entity Mapping, HQL, Criteria API, Caching and Session management.

Topic	Folder
Entity Mapping, HQL, Session Management	View Code

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📂 File Handling

Java File I/O operations including reading, writing, BufferedReader, FileWriter, NIO and serialization.

Topic	Folder
File I/O, NIO, Serialization	View Code

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📂 Debugging

Java debugging techniques, common error patterns and troubleshooting approaches.

Topic	Folder
Error Patterns, Troubleshooting	View Code

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🛠️ Tech Stack

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👨‍💻 Author

Harshal Sakhare

• 💼 Incoming Software Engineer at Accenture
• 🎓 B.Tech Mathematics and Computing — NIT Hamirpur
• 📫 harshalsakhare2305@gmail.com
• 🔗 LinkedIn | GitHub | LeetCode

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