Visit http://start.spring.io/ and enter the following details as shown in the following figure. Make sure you select the right dependencies:
Figure 7: Spring Initializr for creating secured-cas-client project
Click on the Generate Project button and download the ZIP file to a folder of your choice (I will be keeping this inside the cas-sample folder). Execute the unzip command as follows. I am using macOS for running all my sample application, so I will be using commands, if any, suitable for this platform:
unzip -a spring-boot-cas-client.zip