Spring Boot all of the video tutorials listed here. Basically this is the index of all YouTube Video Tutorials.
Gradle, Maven, Webpack etc, are build tools now a days, Here you can find video about build tools.
Nowadays, without IDE coding is too difficult. This the index of IDE Help Videos.
Version Control System (VCS) is very important for modern development, Here you can find videos about VCS..
Microsoft Windows is a popular Operating System (OS), Here's videos that can help to configure and maintain the OS.
Groovy Language is built on top of Java Virtual Machine (VM), In this Section you can find videos about Grails and Groovy.
Java is one of popular programming language. You will find lots of video tutorials here, which may help you to learn Java.
In regular life we need lots of tools to make our work easy. Here you will find lots of video tutorials about learning those.