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Java Spring Framework

Information Technology > Programming frameworks

Description

Java Spring Framework is a powerful tool for developing Java applications, particularly enterprise-level software. It simplifies the setup and development process by providing a comprehensive programming model. Key features include inversion of control (IoC) for better modularity, dependency injection for easier testing, and data access tools to streamline database interactions. It also offers modules for creating web applications, handling security, and building microservices. With Spring Boot, a sub-project of Spring, developers can create stand-alone applications with minimal configuration. Overall, Spring Framework provides a versatile and efficient environment for Java development.

Expected Behaviors

✎
LEVEL 1

Fundamental Awareness

At this level, individuals have a basic understanding of the Spring Framework. They are familiar with concepts such as Inversion of Control (IoC), Dependency Injection, and Spring Beans. They also have an awareness of Spring MVC but may not be able to implement it effectively yet.

🌱
LEVEL 2

Novice

Novices can set up a Spring project and have knowledge of Spring Boot. They understand Spring Data JPA and can create simple REST APIs using Spring. They also have a basic understanding of Spring Security but may not be able to implement complex security features.

🌍
LEVEL 3

Intermediate

Intermediate users can create complex REST APIs using Spring and use Spring AOP for cross-cutting concerns. They understand Spring Transaction Management and can integrate Spring with Hibernate. They also have knowledge of Spring Batch but may not be proficient in its advanced features.

⭐
LEVEL 4

Advanced

Advanced users are proficient in Spring Cloud and can implement OAuth2 with Spring Security. They understand Spring WebFlux and can use Spring Integration for enterprise integration patterns. They also have knowledge of Spring Boot Actuator and can monitor and manage their application effectively.

🏆
LEVEL 5

Expert

Experts have mastered Spring Microservices and can optimize Spring applications. They are proficient in reactive programming with Spring WebFlux and can secure Spring applications with advanced Spring Security features. They can design and implement complex systems using the entire Spring ecosystem.

Micro Skills

✎
LEVEL 1

Fundamental Awareness

Awareness of the purpose and benefits of Spring Framework
Basic knowledge of the Spring Framework architecture
Understanding of the core modules in Spring Framework
Understanding of the concept of Inversion of Control
Awareness of how IoC is implemented in Spring Framework
Basic knowledge of the IoC container in Spring
Understanding of the concept of Dependency Injection
Awareness of how Dependency Injection is implemented in Spring
Basic knowledge of different types of Dependency Injection in Spring (Constructor, Setter, Field)
Awareness of what a Spring Bean is
Understanding of the lifecycle of a Spring Bean
Basic knowledge of how to define and use Spring Beans
Understanding of the basic concepts of Spring MVC
Awareness of the role of DispatcherServlet in Spring MVC
Basic knowledge of Controllers and View Resolvers in Spring MVC
🌱
LEVEL 2

Novice

Knowledge of Spring Initializr website
Understanding of how to select project options
Ability to download and import the project in IDE
Understanding of build lifecycle
Ability to add dependencies in pom.xml or build.gradle
Knowledge of common Maven or Gradle commands
Understanding of starter dependencies
Ability to add appropriate starter for the project
Understanding of application.properties or application.yml file
Ability to set server port, context path, database properties
Knowledge of how autoconfiguration works
Ability to override default configurations
Understanding of how to structure a Spring Boot application
Ability to run the application from command line or IDE
Understanding of built-in actuator endpoints
Ability to customize actuator endpoints
Knowledge of how to install and setup CLI
Ability to create a simple application using Spring Boot CLI
Understanding of JpaRepository interface
Ability to perform save, find, update and delete operations
Knowledge of basic JPQL or SQL syntax
Ability to write custom queries using @Query annotation
Understanding of different types of repositories
Ability to define and use a repository interface
Understanding of One-to-One, One-to-Many, Many-to-One relationships
Ability to map relationships using JPA annotations
Knowledge of stateless, client-server, cacheable principles
Understanding of uniform interface principle
Understanding of GET, POST, PUT, DELETE methods
Ability to map methods to specific controller actions
Understanding of how these annotations work
Ability to use them to define RESTful endpoints
Knowledge of how to produce and consume JSON and XML
Understanding of how to customize JSON or XML output
Understanding of difference between authentication and authorization
Knowledge of how Spring Security handles these concepts
Knowledge of Spring Security filter chain
Understanding of how to customize security filters
Understanding of how form login works in Spring Security
Ability to customize login page and process
Understanding of CSRF attacks
Knowledge of how Spring Security protects against CSRF
🌍
LEVEL 3

Intermediate

Understanding of GET method
Understanding of POST method
Understanding of PUT method
Understanding of DELETE method
Knowledge of cross-cutting concerns
Understanding of AOP terminology
Knowledge of Atomicity
Understanding of Consistency
Understanding of Isolation
Understanding of Durability
Knowledge of object-relational impedance mismatch
Understanding of mapping
Knowledge of chunk-based processing
Understanding of tasklet-based processing
⭐
LEVEL 4

Advanced

Knowledge of centralized configuration management
Ability to set up a Config Server
Understanding of Config Client
Understanding of OAuth2 protocol
Ability to set up an Authorization Server
Knowledge of JWT and ability to implement a Resource Server
Understanding of different grant types
Ability to secure microservices with OAuth2
Knowledge of reactive programming principles
Ability to create reactive APIs using Spring WebFlux
Understanding of backpressure and how it's handled in Spring WebFlux
Familiarity with Reactor project and its core types - Mono and Flux
Ability to test reactive applications
Understanding of Enterprise Integration Patterns (EIP)
Knowledge of different channel types in Spring Integration
Ability to implement message routing and transformation
Understanding of Spring Integration adapters
Familiarity with error handling in Spring Integration
Understanding of Spring Boot Actuator's role in application monitoring
Knowledge of different metrics provided by Spring Boot Actuator
Understanding of health indicators and ability to create custom health indicators
Familiarity with Spring Boot Admin
🏆
LEVEL 5

Expert

Understanding of distributed systems
Ability to implement service discovery
Proficiency in using Spring Cloud Config for centralized configuration
Knowledge of circuit breakers and fallback methods
Understanding of load balancing with Ribbon and Feign
Proficiency in performance tuning
Understanding of JVM profiling
Ability to optimize database queries
Knowledge of caching strategies
Understanding of Spring Boot Actuator metrics
Understanding of reactive streams specification
Ability to create non-blocking APIs
Knowledge of backpressure strategies
Proficiency in using Project Reactor
Understanding of functional programming paradigms
Understanding of OAuth2 and OpenID Connect
Ability to secure microservices with JWT
Knowledge of XSS, CSRF and other security vulnerabilities
Proficiency in implementing method-level security
Understanding of encryption and hashing algorithms
Understanding of domain-driven design
Ability to integrate multiple Spring projects
Knowledge of event-driven architecture
Proficiency in using Spring Cloud Stream for messaging
Understanding of CQRS and Event Sourcing patterns

Skill Overview

  • Expert3 years experience
  • Micro-skills118
  • Roles requiring skill1

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