Those steps are essentially 'run a command on save', and it turns out someone has already written an extension! emeraldwalk/vscode-runonsave reads Visual Studio Code settings, matches files on a regular expression, and then runs a user-supplied command. After about 10 minutes into the exercise, I realized that this plugin was going to be quite dumb: Im currently studying a Java course, and one of the assignments requires me to use (import) a class inside a. I started down the path of writing my own Visual Studio Code plugin to run google-java-format as a formatter. I also stumbled across Dev-Snippets/vscode-google-java-format-provider, which seemed promising, but I was unable to get it to register as a formatter (and I am not the only one). Worse, it modified things like license headers, rendering them invalid. Open the file view (top left in the left-side menu), right-click on /src/com/infoworld/demo, and select New File.

While this does change the default format of the code, in my testing it did not match the output of running google-java-format directly from the command line. This seemed like a great fit, since I am already using RedHat's Java Language Support. This will instruct the editor to use the 'GoogleStyle' when formatting code instead of the built-in style.

How to use visual studio code with java