prathameshkaratkar.hashnode.devUnderstanding Interfaces in Java: A Comprehensive Guide to Their Types and UsageAn interface in Java is a blueprint of a class that defines a set of abstract methods, constants, and (since Java 8) default and static methods. It serves as a contract, specifying behaviors that implementing classes must provide. Interfaces are decl...Jun 4, 2025·13 min read
prathameshkaratkar.hashnode.devInheritance, Polymorphism, and Abstraction: The Pillars of Object-Oriented Programming in JavaObject-oriented programming (OOP) is a powerful programming paradigm that organizes code around objects—entities that combine data (attributes) and behavior (methods). At the heart of OOP in Java are three fundamental concepts: inheritance, polymorph...Jun 4, 2025·11 min read
prathameshkaratkar.hashnode.devDay 2: Building on Our First EndpointsWelcome back to our Spring Boot learning journey! In Day 1, we set up a Spring Boot project using Spring Initializr and created basic endpoints using @Controller without leveraging @RestController. Today, we’ll enhance our application by introducing ...Jun 4, 2025·4 min read
prathameshkaratkar.hashnode.devMastering Hotel Restaurant Search with Elasticsearch and Spring Boot: A Comprehensive Guide (Part 1)Elasticsearch, a distributed search and analytics engine built on Apache Lucene, is renowned for its speed and flexibility in handling complex search and filtering tasks. When paired with Spring Boot, a robust Java framework for building scalable bac...May 21, 2025·11 min read
prathameshkaratkar.hashnode.devDay 1: Introduction to Spring BootWelcome to the Spring Boot Blueprint: Craft Confident Code series! Over this journey, we’ll transform you from a curious beginner to a confident Java developer, building modern, production-ready applications with Spring Boot. Today, we kick things of...May 21, 2025·4 min read
