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Architecture-Patterns

Event Driven Architecture (EDA) in Microservices

Learn Event Driven Architecture (EDA) with Kafka, RabbitMQ, Event Producers, Consumers, Topics, Event Streaming, CQRS, Event Sourcing, Saga Pattern, and Enterprise Microservices Architecture.

JavaEvent Driven ArchitectureKafkaRabbitMQMicroservicesCQRSEvent SourcingSystem Design

Architecture-Patterns

Observer Pattern in Microservices

Learn how the Observer Pattern evolves in Microservices using Event-Driven Architecture, Kafka, RabbitMQ, asynchronous communication, publish-subscribe messaging, Spring Boot integration, and enterprise architecture.

JavaObserver PatternMicroservicesEvent Driven ArchitectureKafkaRabbitMQSpring BootSystem Design

Architecture-Patterns

Strangler Fig Pattern in Microservices

Learn Strangler Fig Pattern for legacy modernization, monolith to microservices migration, API Gateway routing, incremental migration strategy, enterprise architecture, banking transformations, and interview questions.

JavaStrangler Fig PatternMicroservicesLegacy ModernizationSystem DesignEnterprise Architecture

Architecture-Patterns

Service Discovery Pattern in Microservices

Learn Service Discovery Pattern in Java Microservices with Eureka, Consul, Kubernetes Service Discovery, client-side discovery, server-side discovery, load balancing, Spring Cloud Netflix Eureka, and enterprise architecture.

JavaService DiscoveryEurekaConsulKubernetesSpring CloudMicroservicesSystem Design

Architecture-Patterns

Outbox Pattern in Java Microservices

Learn Outbox Pattern in Java with Spring Boot, Kafka, transactional messaging, database consistency, event publishing, CDC, Debezium, microservices architecture, and interview questions.

JavaOutbox PatternKafkaSpring BootMicroservicesCDCDebeziumSystem Design

Architecture-Patterns

API Gateway Pattern in Microservices

Learn API Gateway Pattern in Java Microservices with Spring Cloud Gateway, request routing, authentication, rate limiting, load balancing, service discovery, aggregation, and enterprise architecture.

JavaAPI GatewaySpring Cloud GatewayMicroservicesSystem DesignEnterprise Architecture

Architecture-Patterns

Circuit Breaker Pattern in Java Microservices

Learn Circuit Breaker Pattern in Java with Resilience4j, Spring Boot, fallback mechanisms, Open-Closed-Half Open states, microservices resilience, enterprise architecture, and interview questions.

JavaCircuit BreakerResilience4jSpring BootMicroservicesFault ToleranceSystem Design

Architecture-Patterns

Saga Pattern in Java Microservices

Learn Saga Pattern in Java with distributed transactions, choreography saga, orchestration saga, Kafka integration, compensation transactions, Spring Boot implementation, banking examples, and interview questions.

JavaSaga PatternMicroservicesDistributed TransactionsKafkaSpring BootSystem Design

Architecture-Patterns

Event Sourcing Pattern in Java

Learn Event Sourcing Pattern in Java with Kafka, Event Store, Event Replay, CQRS integration, audit history, microservices architecture, banking examples, and interview questions.

JavaEvent SourcingKafkaCQRSMicroservicesEvent Driven ArchitectureSystem Design

Architecture-Patterns

CQRS (Command Query Responsibility Segregation) Pattern in Java

Learn CQRS Pattern in Java with command and query separation, event-driven architecture, microservices, Kafka integration, Spring Boot implementation, enterprise banking examples, and interview questions.

JavaCQRSSpring BootMicroservicesKafkaEvent Driven ArchitectureSystem Design

Architecture-Patterns

Service Layer Pattern in Java

Learn Service Layer Pattern in Java with Spring Boot, business logic orchestration, transaction management, validation, microservices architecture, UML diagrams, code examples, and interview questions.

JavaService LayerSpring BootArchitecture PatternTransaction ManagementEnterprise Applications

Architecture-Patterns

DTO (Data Transfer Object) Pattern in Java

Learn DTO Pattern in Java with Spring Boot, REST APIs, entity vs DTO, MapStruct, ModelMapper, microservices communication, enterprise architecture, code examples, and interview questions.

JavaDTOSpring BootREST APIMicroservicesArchitecture Pattern

Architecture-Patterns

DAO (Data Access Object) Pattern in Java

Learn DAO Pattern in Java with JDBC, Hibernate, Spring Boot, CRUD operations, database abstraction, enterprise architecture, UML diagrams, code examples, and interview questions.

JavaDAOJDBCHibernateSpring BootEnterprise Applications

Architecture-Patterns

Repository Pattern in Java

Learn Repository Pattern in Java with Spring Data JPA, CRUD operations, database abstraction, enterprise architecture, UML diagrams, code examples, and interview questions.

JavaRepository PatternSpring Data JPAHibernateArchitecture PatternEnterprise Applications

Architecture-Patterns

Dependency Injection Pattern in Java

Learn Dependency Injection (DI) in Java with Constructor Injection, Setter Injection, Field Injection, Spring IoC Container, Bean Lifecycle, UML diagrams, enterprise examples, and interview questions.

JavaDependency InjectionSpring FrameworkIoCArchitecture PatternEnterprise Applications

Architecture-Patterns

Front Controller Design Pattern in Java

Learn Front Controller Design Pattern in Java with Spring DispatcherServlet, centralized request handling, authentication, logging, routing, enterprise architecture, UML diagrams, code examples, and interview questions.

JavaFront ControllerSpring MVCDesign PatternsEnterprise ArchitectureDispatcherServlet

Architecture-Patterns

MVC Architecture Pattern in Java

Learn MVC (Model View Controller) Architecture Pattern in Java with Spring MVC, request lifecycle, enterprise applications, UML diagrams, code examples, and real-world use cases.

JavaMVCSpring MVCArchitecture PatternEnterprise Applications