Set up Check maven (mvn) in your system class path Check JDK17 in your system class path or intellij Reference video https://www.youtube.com/watch?v=c3gKseNAs9w&list=PLhfxuQVMs-nx3YQa3XJ9-4g_EoK0J8WhU&index=11 https://www.youtube.com/watch?v=msXL2oDexqw&list=PLqq-6Pq4lTTbx8p2oCgcAQGQyqN8XeA1x https://www.youtube.com/watch?v=GB8k2-Egfv0&list=PLC97BDEFDCDD169D7 Web https://docs.spring.io/spring-boot/docs/current-SNAPSHOT/reference/htmlsingle/ Code https://github.com/jrphub/demo-boot-rest-multi/blob/master/demo-boot-rest-basic/src/main/java/com/demo/boot/controller/TripController.java https://github.com/jrphub/demo-boot-web-app-ui/tree/master https://github.com/shabbirdwd53/Springboot-Tutorial/