Senior Java Consultant Interview Questions and Answers

TDD stands for Test-Driven Development, a software development process where tests are written before the actual code.

• Write a failing test case based on requirements

• Write the minimum amount of code to pass the test

• Refactor the code to improve design and remove duplication

AWS Security services help protect data, workloads, and applications in the cloud.

• AWS Identity and Access Management (IAM) for managing user access

• AWS Key Management Service (KMS) for encryption of data

• AWS Web Application Firewall (WAF) for protection against web exploits

• AWS Shield for DDoS protection

• AWS Security Hub for centralized security monitoring

Microservices implementation involves breaking down a monolithic application into smaller, independent services.

• Decompose the application into smaller services based on business capabilities

• Use lightweight communication protocols like HTTP/REST or messaging queues for inter-service communication

• Implement service discovery and load balancing for dynamic scaling

• Containerize each service using tools like Docker and orchestrate them with Kubernetes

• Monitor and manage services usin...read more

Microservices design pattern focuses on breaking down applications into smaller, independent services.

• Decompose application into smaller services

• Each service has its own database

• Services communicate via APIs

• Scalable and flexible architecture

• Example: Netflix, Amazon, Uber