Angular is one of the most popular front-end framework for building single page applications. It is developed and maintained by Google.
Spring is one of the most popular web framework for Java. Spring Boot is a tool to create spring based applications quickly and easy.
Following are some of my best and favorite Udemy courses. I highly recommend these courses to anyone who wants to become a Full stack developer.
Note: All these links are affiliate links, if you buy these courses through my link then I will get some benefits.
Full Stack Development courses
1) Full Stack: Angular and Java Spring Boot By Chad Darby
2) Go Java Full Stack with Spring Boot and Angular By Ranga Karanam
Spring and Spring Boot courses
1) Spring & Hibernate for Beginners (includes Spring Boot) By Chad Darby
Spring and Spring boot text books
1) Pro Spring Boot 2
2) Spring Boot in Action
Angular text books
1) Pro Angular