To directly set "Google Java Style" as "Java's format" on VSCode, please:

1.Install "Extension Pack for Java".

e.g: "Extension Pack for Java v0.9.1" + "Language Support for Java(TM) by Red Hat v0.64.1" for "Java1.8".

Making sure COMPILING, RUNNING and DEBUGGING are successful before "Next Step"!

2.Set the default formatter of Java into "RedHat".

2.1Using hotKeyMap to open the Settings of VSCode, e.g: Ctrl/Cmd + ,

( or Click the logo of VSCode "Code" button and choose "Preference" menu and then click "Setting")

2.2Type "javahome" in the "Search settings" space, then click "Edit in settings.json",

2.3Adding the below code into your "settings.json",

"java.format.settings.url": "https://raw.githubusercontent.com/google/styleguide/gh-pages/intellij-java-google-style.xml",
"java.format.settings.profile": "GoogleStyle",
"java.format.settings.imports.onDemand": false,
"java.format.settings.imports.regexp": "^[a-z.]*",
"[java]": {
    "editor.formatOnSave": true,
    "editor.defaultFormatter": "redhat.java",
    "editor.tabSize": 2
}

2.4Then restart the "VSCode", Using shift + alt/option + f to automatic "Java's format" into "Google Java Style".

END!