Application.properties basics in Spring Boot - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the server port to 8080 in application.properties.

Spring Boot

server.[1]=8080

Drag options to blanks, or click blank then click option'

Aport

Bhost

Caddress

Durl

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'server.host' instead of 'server.port'

Using 'server.address' which is for IP binding

The property server.port sets the port number where the Spring Boot app listens.

2fill in blank

medium

Complete the code to set the application name to 'MyApp' in application.properties.

Spring Boot

spring.application.[1]=MyApp

Drag options to blanks, or click blank then click option'

Aname

Bversion

Cid

Dtitle

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'spring.application.version' which is for version info

Using 'spring.application.id' which is not standard

The property spring.application.name defines the app's name used in logs and discovery.

3fill in blank

hard

Fix the error in the property key to enable debug logging for Spring MVC.

Spring Boot

logging.level.[1]=DEBUG

Drag options to blanks, or click blank then click option'

Aspringframework.web

Borg.springframework.webmvc

Cspringframework

Dspringframework.webmvc.mvc

Attempts:

3 left

💡 Hint

Common Mistakes

Using too broad package like 'springframework'

Adding extra segments like 'mvc' twice

The correct package for enabling debug logs for Spring MVC is org.springframework.webmvc.

4fill in blank

hard

Fill both blanks to configure a datasource URL and username in application.properties.

Spring Boot

spring.datasource.[1]=jdbc:mysql://localhost:3306/mydb
spring.datasource.[2]=user123

Drag options to blanks, or click blank then click option'

Aurl

Bpassword

Cusername

Ddriver-class-name

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'password' instead of 'username' for the second blank

Using 'driver-class-name' for URL

spring.datasource.url sets the database URL, and spring.datasource.username sets the DB user.

5fill in blank

hard

Fill all three blanks to set server port, context path, and enable HTTPS in application.properties.

Spring Boot

server.[1]=8443
server.servlet.[2]=/app
server.ssl.[3]=true

Drag options to blanks, or click blank then click option'

Aport

Bcontext-path

Cenabled

Daddress

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'address' instead of 'port'

Using 'contextPath' instead of 'context-path'

Using 'enable' instead of 'enabled'

server.port sets the port, server.servlet.context-path sets the app path, and server.ssl.enabled enables HTTPS.