Explore the world of Java, the versatile programming language empowering cross-platform development. Dive into its robust features, scalability, and unmatched compatibility for building powerful, enterprise-grade applications.
ByTechWriter
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Searching and sorting problems form the backbone of FAANG technical interviews (Facebook/Meta, Amazon, Apple, Netflix, Google). These questions test not only your coding ability but also your problem-solving approach, optimization skills, and understanding of algorithms. In this article, we cover the most important searching and sorting questions asked in FAANG…
ByVed Maurya
Updated
Java technical interviews focus heavily on problem-solving ability, core Java fundamentals, and clean coding practices.In this article, we will go through frequently asked Java coding questions in tech rounds, explaining each step clearly so beginners and experienced developers can both benefit. 1. Reverse a String Without Using reverse() 🔹 Problem…
ByVed Maurya
Updated
Most-asked problems solved using Stream API – Java 8+, Based on Java Stream API interview patterns. Java Stream API Interview Questions with Solutions & Complexity Basic Stream Questions Numeric & Aggregation Problems String-Based Stream Questions Map & Grouping Questions Advanced / Real-World Stream Questions Top 50 Java Stream API Coding…
ByVed Maurya
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Introduction The Stream API, introduced in Java 8, is one of the most important features for writing clean, functional, and readable code. Streams allow developers to process collections declaratively instead of using traditional loops.This article explains almost every important Stream API method, grouped logically, with clear examples—perfect for: What Is…
ByVed Maurya
Updated
Learn how to implement Redis caching in Spring Boot microservices. Includes a complete working example with step-by-step guide, TTL, cache eviction, and performance boost. This post includes ✅ How to cache data in Spring Boot microservices✅ How to use Redis as a distributed cache✅ How to implement TTL (time-to-live), eviction,…
ByVed Maurya
Updated
In this article, we’ll create a microservices architecture using: What is Apache Kafka? Apache Kafka is an open-source distributed event streaming platform used to build real-time data pipelines and streaming applications. 🔧 Kafka is Used For: 💡 Key Concepts in Kafka: Component Description Producer Sends (publishes) messages to Kafka topics…
ByVed Maurya
Updated
In a microservices environment, a single failing service can cascade and cause other services to fail. To prevent this, we use Resilience4j to implement Circuit Breaker patterns that provide graceful degradation and stability. Service Resilience — ensuring that your system remains responsive and fault-tolerant under failure conditions In this tutorial,…
ByVed Maurya
Updated
In a microservices architecture, each service usually has its own endpoint. Managing all these endpoints manually is tedious and error-prone. That’s where Spring Cloud Gateway steps in as a powerful, scalable, and simple solution for routing requests to various services via a single entry point. In this article, you will:…
ByVed Maurya
Updated
In a microservices architecture, services must locate each other without hardcoded URLs. Service Discovery solves this by registering each service with a centralized registry. One of the most popular tools for this in the Spring ecosystem is Netflix Eureka. In this tutorial, you will: Let’s build it step-by-step. 📦 Project…
ByVed Maurya
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🧩 1. Overview of JPA 🏷️ 2. Entity Annotations Annotation Purpose @Entity Marks a class as a JPA entity @Table(name = “table_name”) Optional table name @Id Primary key @GeneratedValue(strategy = GenerationType.AUTO) Auto generation of primary key @Column(name = “col_name”) Customize column mapping @Transient Field not persisted @Lob For large binary/text…
ByVed Maurya
Updated
Java interview preparation should focus on core concepts like OOP principles (encapsulation, inheritance, polymorphism, abstraction), data types, control structures, exception handling, and collections. Understand JVM internals, memory management, garbage collection, and Java 8+ features like streams, lambdas, and functional interfaces. Be confident with multithreading, synchronization, and concurrency utilities. Master important…
![Building REST APIs with Spring MVC [Java Spring Boot Mastery Series – Part 3]](https://seoinfotech.com/wp-content/uploads/2025/06/jav-spring-boot-mastery--300x200.png)
ByVed Maurya
Updated
🎯 Objective In this section, you will learn how to: 🔧 Step 1: Create a Model Class 🔍 Explanation 📦 Step 2: Create a Repository 🔍 Explanation 🧠 Step 3: Create a Service Layer 🔍 Explanation 🌐 Step 4: Create a REST Controller 🔍 Explanation 🚫 Optional: Custom Exception Handling…