Spring Boot Annotations Cheat Sheet — Ultimate Reference for Java Developers

by Apu Das Gupta

Introduction Spring Boot simplifies Java development by reducing boilerplate and providing powerful annotations. This cheat sheet is a quick reference to the most essential Spring Boot annotations that every developer should know — perfect for daily use and interview prep. Core Spring Boot Annotations @SpringBootApplication Marks the main class of a Spring Boot application. Combines […]

Java Streams API Cheat Sheet — Quick Reference with Daily Use Examples

by Apu Das Gupta

Java Streams API Cheat Sheet — Quick Reference with Daily Use Examples Introduction The Java Streams API allows developers to process collections in a functional and elegant way. Whether it’s filtering, transforming, or collecting results, streams can make your code more readable and concise. This cheat sheet is your quick reference for daily use — […]

Spring Data JPA Cheat Sheet — Write Less Code, Do More with JPA

by Apu Das Gupta

Introduction Spring Data JPA is a game-changer when it comes to working with databases in Java. It allows you to perform CRUD operations and complex queries without writing boilerplate code. This cheat sheet will help you quickly recall the most essential Spring Data JPA annotations, methods, and techniques you’ll use every day. Basic Setup Entity […]

Java Collections Cheat Sheet — Essential Guide for Everyday Coding

by Apu Das Gupta

Java Collections Cheat Sheet — Essential Guide for Everyday Coding 💡 Introduction The Java Collections Framework is a set of classes and interfaces for working with groups of objects. This cheat sheet gives you quick access to the most commonly used collections, methods, and examples. 💡 Key Interfaces 💡 Common Implementations 💡 List Examples 💡 […]