Updated JDK Requirements (markdown)
Update JDK requirement for the platform and universal versions
Updated Home (asciidoc)
Use proper cacerts to import Java projects
added constructor theming example
Updated Settings Global Preferences (markdown)
Updated Troubleshooting (markdown)
Updated Gradle Support (markdown)
Updated Predefined Variables for Java Template Snippets (markdown)
Updated Semantic Highlighting (markdown)
Updated Using a Proxy (markdown)
Update to Java 16
Created Settings Global Preferences (markdown)
Update to Java 15
Updated Contribute a Java Extension (markdown)
Created Predefined Variables for Java Template Snippets (markdown)