Geeksforgeeks - — Java Backend Development

Mastering the Server-Side: A Deep Dive into the GeeksForGeeks Java Backend Development Path

In the landscape of software engineering, Java remains the undisputed titan of backend development. From enterprise-level banking systems to scalable e-commerce platforms, Java’s robustness, security, and portability make it a non-negotiable skill for modern developers.

JAVA Backend Development is a highly rewarding career path that offers numerous job opportunities and a competitive salary. GeeksForGeeks provides a comprehensive course on JAVA Backend Development that equips learners with the skills required to excel in this domain. With its robust curriculum, hands-on projects, and practice problems, the course is ideal for aspiring programmers and experienced developers looking to upskill. By mastering JAVA Backend Development with GeeksForGeeks, learners can unlock a world of career opportunities and create scalable, efficient, and secure software applications. GeeksForGeeks - JAVA Backend Development

Actuator (Spring Boot)

• Endpoints: /actuator/health, /metrics, /info
• Expose via management.endpoints.web.exposure.include=health,info

The curriculum is structured to take learners from core fundamentals to complex microservices. Phase 1: Java Mastery (Weeks 1–3) Mastering the Server-Side: A Deep Dive into the

• Spring @Async – Run tasks in thread pools.
• Message Queues – RabbitMQ, Apache Kafka.
• WebSockets – Real-time communication (chat, notifications).
• Scheduled tasks – @Scheduled for cron-like jobs.

The syllabus follows a progressive path from foundational language features to complex cloud-ready systems: Java Backend Development with AI - Live Endpoints: /actuator/health , /metrics , /info Expose via

12. Testing Java Backend

Unit Testing – JUnit 5 + Mockito

@ExtendWith(MockitoExtension.class)
class UserServiceTest 
    @Mock private UserRepository repo;
    @InjectMocks private UserService service;
@Test
void testGetUserById() 
    when(repo.findById(1L)).thenReturn(Optional.of(new User()));
    assertNotNull(service.getUser(1L));