Customizing the Spring Boot Banner — Spring Technical Interview Questions & Answers

Replacing the startup ASCII banner.

Customizing the Spring Boot Banner

  • The banner is the text/logo shown when the Boot app starts.
  • You can customize it with a banner.txt (or image) in resources.
  • Mostly branding/fun — not a core runtime feature.
  • You can also disable the banner in config if you want quiet logs.
  • Know it exists; do not over-explain unless asked.

Technical Interview Tip: Custom banner via resources/banner.txt.

Code Examples for Customizing the Spring Boot Banner

Customizing the Spring Boot Banner — working example

# application.properties
spring.devtools.restart.enabled=true
spring.devtools.livereload.enabled=true
spring.main.banner-mode=console

# banner.txt on the classpath prints at startup
#  ____             ____        __
# |  _ \ _ __ ___  | __ )  ___ / _|
# | |_) | '__/ _ \ |  _ \ / _ \ |_

Customizing the Spring Boot Banner — devTools restarts on classpath changes; banner-mode/banner.txt customize the boot splash.

How to Explain Customizing the Spring Boot Banner to an Interviewer

What is Customizing the Spring Boot Banner (sb)?

Used for a short Customizing the Spring Boot Banner sb example a small REST app Not just the heading

Give one small example of Customizing the Spring Boot Banner (sb).

the smallest Customizing the Spring Boot Banner sb example you can type Replacing the startup ASCII banner

What mistake do beginners make with Customizing the Spring Boot Banner (sb)?

only saying “Customizing the Spring Boot Banner sb” with no example Show the fix

Where do you use Customizing the Spring Boot Banner (sb)?

a small REST app a short Customizing the Spring Boot Banner sb example