- Operating System: Linux (ubuntu 18.0.4) virtual machine
- JDK version:17.0.3.1
- Visual Studio Code version:1.68.1
- Java extension version:1.8.0

1. Install maven for java plugin
2. Open a Maven project in VS Code, and open a .java file. In body of a function, type below statements：

       Gson gson; 

      StringUtils.capitalize("abc");