Merge pull request #1 from springframeworkguru/master

Update README.md

Author: glcurtin

README.md

@@ -15,7 +15,7 @@ Got a question about your Spring Framework 5 course? [Checkout these FAQs!](http
 ### Recommended Versions
  | Recommended | Reference | Notes |
 | ----------- | --------- | ----- |
-| Oracle Java 8 JDK | [Download](https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html) | Java 11 is okay, see notes about Java [on the course wiki](https://github.com/springframeworkguru/spring5webapp/wiki/Java-Version) |
+| Oracle Java 11 JDK | [Download]([https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html](https://www.oracle.com/java/technologies/javase/jdk11-archive-downloads.html)) | Java 8 or Java 17 may also be used. |
 | IntelliJ 2018 or Higher | [Download](https://www.jetbrains.com/idea/download/) | Ultimate Edition recommended. Students can get a free 120 trial license [here](https://github.com/springframeworkguru/spring5webapp/wiki/Which-IDE-to-Use%3F#how-do-i-get-the-free-120-day-trial-to-intellij-ultimate) |
 | Maven 3.6.0 or higher | [Download](https://maven.apache.org/download.cgi) | [Installation Instructions](https://maven.apache.org/install.html)|
 | Gradle 4.8 or higher | [Download](https://gradle.org/install/) | **Note:** Use Version 5 or higher if using Java 11 |
@@ -25,7 +25,7 @@ Got a question about your Spring Framework 5 course? [Checkout these FAQs!](http
 
 ## All Spring Framework Guru Courses
 ### Spring Framework 5
-* [Spring Framework 5: Beginner to Guru](https://www.udemy.com/testing-spring-boot-beginner-to-guru/?couponCode=GITHUB_REPO) - Get the most modern and comprehensive course available for the Spring Framework! Join over 8,200 over Guru's in an Slack community exclusive to this course! More than 3,700 students have given this 53 hour course a 5 star review!
+* [Spring Framework 5: Beginner to Guru](https://www.udemy.com/testing-spring-boot-beginner-to-guru/?couponCode=GITHUB_REPO) - Get the most modern and comprehensive course available for the Spring Framework! Join over 17,200 over Guru's in an Slack community exclusive to this course! More than 5,700 students have given this 53 hour course a 5 star review!
 * [Spring Boot Microservices with Spring Cloud Beginner to Guru](https://www.udemy.com/course/spring-boot-microservices-with-spring-cloud-beginner-to-guru/?referralCode=6142D427AE53031FEF38) - Master Microservice Architectures Using Spring Boot 2 and Cloud Based Deployments with Spring Cloud and Docker
 * [Reactive Programming with Spring Framework 5](https://www.udemy.com/reactive-programming-with-spring-framework-5/?couponCode=GITHUB_REPO_SF5B2G) - Keep your skills razor sharp and take a deep dive into Reactive Programming!
 * [Testing Spring Boot: Beginner to Guru](https://www.udemy.com/testing-spring-boot-beginner-to-guru/?couponCode=GITHUB_REPO_SF5B2G) - ** Best Selling Course** Become an expert in testing Java and Spring Applications with JUnit 5, Mockito and much more!
@@ -41,12 +41,8 @@ Got a question about your Spring Framework 5 course? [Checkout these FAQs!](http
 * [Ready for Production with Spring Boot Actuator](https://www.udemy.com/ready-for-production-with-spring-boot-actuator/?couponCode=GITHUB_REPO_SF5B2G) - Learn how to leverage Spring Boot Actuator to monitor your applications running in production.
 
 ### Web Development with Spring Framework
-* [Angular 4 Java Developers](https://www.udemy.com/angular-4-java-developers/?couponCode=GITHUB_REPO_SF5B2G) - Learn how to use Angular with Spring Boot. Two flaming hot technologies! This is the only course on Udemy where you can learn how to use JHipster to rapidly build your next application! Also, be sure to checkout the Slack community for this course!
 * [Mastering Thymeleaf with Spring Boot](https://www.udemy.com/mastering-thymeleaf-with-spring/?couponCode=GITHUB_REPO_SF5B2G) - Once you learn Thymeleaf, you'll never want to go back to using JSPs for web development!
 
-### Spring Framework 4
-* [Spring Core](https://www.udemy.com/spring-core/) - Learn the core of Spring Framework 4!
-* [Spring Core Advanced](https://www.udemy.com/spring-core-advanced-beyond-the-basics/?couponCode=GITHUB_REPO_SF5B2G) - Go beyond the basics! Learn about Aspect Oriented Programming, Spring Security, using Spring Events, JMS and more!
 
 ## Connect with Spring Framework Guru
 * Spring Framework Guru [Blog](https://springframework.guru/)