https://github.com/yogaprasadk/core-java-and-sql-interview-topics-for-freshers
This repository provides a comprehensive list of Core Java and SQL topics to help freshers prepare for technical interviews. These topics cover fundamental concepts and practical skills required for backend development and database management
https://github.com/yogaprasadk/core-java-and-sql-interview-topics-for-freshers
corejava oops-in-java sql
Last synced: 7 months ago
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This repository provides a comprehensive list of Core Java and SQL topics to help freshers prepare for technical interviews. These topics cover fundamental concepts and practical skills required for backend development and database management
- Host: GitHub
- URL: https://github.com/yogaprasadk/core-java-and-sql-interview-topics-for-freshers
- Owner: yogaprasadk
- Created: 2025-01-09T15:55:32.000Z (9 months ago)
- Default Branch: main
- Last Pushed: 2025-01-09T15:59:31.000Z (9 months ago)
- Last Synced: 2025-01-09T16:57:32.263Z (9 months ago)
- Topics: corejava, oops-in-java, sql
- Homepage:
- Size: 8.79 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
Core Java 🖥️
- 🔑 Basic Java Syntax and Data Types
- 🔧 Operators and Control Statements
- 🏗️ Object-Oriented Programming (OOP) Concepts
- 🔍 Classes and Objects
- 🔄 Inheritance, Polymorphism, Encapsulation, Abstraction
- 💥 Exception Handling
- 📦 Collections Framework (List, Set, Map)
- 💻 Java 8 Features (Lambda, Streams)
- ⚡ Multithreading and Concurrency
- 🧠 Java Memory Management and Garbage Collection
- 📂 File I/O (Reading/Writing Files, Serialization)
- 📚 Java APIs and Libraries (java.util, java.time, java.math)
SQL 📊
- 🔍 Basic SQL Queries (SELECT, INSERT, UPDATE, DELETE)
- ⚙️ WHERE Clause and Operators
- 🔗 Joins (INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN)
- 📅 GROUP BY and Aggregation Functions (COUNT, SUM, AVG)
- 🔑 Subqueries
- 🔐 Indexes and Constraints (Primary Key, Foreign Key, UNIQUE)
- 🗃️ Database Normalization (1NF, 2NF, 3NF)
- 🧮 SQL Functions (String, Date, Mathematical Functions)
- 💾 Transactions (COMMIT, ROLLBACK, Isolation Levels)
- ⚡ Query Optimization and Indexing