Multi-module project structure in Spring Boot - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a multi-module project structure in Spring Boot?

It is a way to organize a large Spring Boot application into smaller, separate modules. Each module is a separate project but they work together as one application.

beginner

Why use a multi-module project structure?

It helps keep code organized, makes it easier to manage, test, and reuse parts of the application. It also allows teams to work on different modules independently.

intermediate

What file defines the modules in a multi-module Spring Boot project?

The parent pom.xml file lists all child modules inside the <modules> tag. This tells Maven which modules to build together.

intermediate

How do modules communicate in a multi-module Spring Boot project?

Modules can depend on each other by adding dependencies in their pom.xml files. This allows sharing code and services between modules.

beginner

What is a common folder structure for a multi-module Spring Boot project?

A parent folder contains the main pom.xml and subfolders for each module. Each module has its own src folder and pom.xml.

What file lists all modules in a Spring Boot multi-module project?

A settings.gradle

B application.properties

C module-info.java

D Parent pom.xml

The parent pom.xml file contains the section listing all child modules.

Why split a Spring Boot app into modules?

A To make the app slower

B To organize code and enable reuse

C To avoid using Maven

D To remove dependencies

Splitting into modules helps organize code and reuse parts easily.

How do modules share code in a multi-module project?

A By running separate servers

B By copying files manually

C By adding dependencies in pom.xml

D By using environment variables

Modules share code by declaring dependencies on each other in pom.xml files.

Where is the main application class usually located in a multi-module project?

A In a specific module, often called 'app' or 'service'

B In the parent folder

C In the root pom.xml

D In the resources folder

The main Spring Boot application class is inside one module, often named app or service.

What build tool is commonly used with Spring Boot multi-module projects?

A Maven

B Grunt

C Webpack

D Make

Maven is the common build tool managing multi-module Spring Boot projects.

Explain how a multi-module project structure helps in managing a large Spring Boot application.

Think about how breaking a big task into smaller tasks helps.

Describe the role of the parent pom.xml in a Spring Boot multi-module project.

It is like the project’s main control center.