Looking for logging into the Google Java site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Google Java site. After that you can login as usual with your login credentials.
https://cloud.google.com/java/getting-started/authenticate-users
https://stackoverflow.com/questions/3117976/can-i-use-google-login-for-my-java-application
https://developers.google.com/api-client-library/java/google-api-java-client/oauth2
https://developers.google.com/identity/sign-in/web/sign-in
https://github.com/riversun/google-login-servlet-example-simple
https://stormpath.com/blog/google-login_id-site
https://chillyfacts.com/integrate-login-with-google-in-websites-with-java/
https://www.logicbig.com/tutorials/java-ee-tutorial/java-servlet/servlet-oauth.html
https://medium.com/@pablo127/google-api-authentication-with-oauth-2-on-the-example-of-gmail-a103c897fd98
http://blog.sodhanalibrary.com/2014/11/login-with-google-with-java-tutorial.html
https://www.callicoder.com/spring-boot-security-oauth2-social-login-part-1/
https://www.mkyong.com/java/how-to-automate-login-a-website-java-example/
https://dba-presents.com/index.php/jvm/java/154-google-and-facebook-login-in-one-application