In order to implement a web application using Spring Boot, the following build tools need to be downloaded and installed:

• To install Java Development Kit (JDK) 8, download it from its official page at http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
• To install Maven 3, download it from its official page at https://maven.apache.org/download.cgi
• To install IntelliJ IDEA, download it from its official page at https://www.jetbrains.com/idea/download/
• To install Spring Tool Suite (STS), download it from its official page at https://spring.io/tools

The source code for this chapter can be found at https://github.com/PacktPublishing/Spring-Boot-2.0-Projects-Fundamentals-of-Spring-Boot-2.0, in the Chapter04 directory.