Java Microservices Practice Test & Interview Questions

Practicing with tests is key to becoming proficient in any technology. It helps strengthen the subject and clarifies important concepts. In this article, we will explore Java Microservices Practice Test in the form of MCQs, including a mix of concept-based, code-based, and scenario-based questions. After each question, we will go over the explanation for why each option is right or wrong. Don’t overlook the incorrect options, as they might highlight other useful concepts. Let’s start exploring the topic!

Question#1. (Scenario-based, Multi-Select):

A company is transitioning from a monolithic architecture into a microservices architecture. Which principles should guide their approach?

A) Services should be loosely coupled.
B) Centralized database management for consistency.
C) Each service should have a single responsibility.
D) Microservices should share state through a common session.

Correct Answer: A, C

Explanation:

• A) Correct. Microservices should minimize dependencies on each other.
• B) Incorrect. Microservices typically use decentralized data management to allow independence.