Caching TGT from browser/other krb5 client

I'm playing around with Kerberos SSO. As experimented so far,

-When I open a web app that is configured with Kerberos, from the browser, it prompts me for the username and credential, once I enter, I'm logged into the web app .

- When I do a kinit from the terminal and give my credentials, I'm signed into the KDC for the given user. After kinit, when I open a web app I'm signed into the web app, without any credentials.

One possible explanation is, when I do a kinit, the TGT is stored in the OS which is available for other clients in the host machine so that my browser was able to use that TGT without prompting me for password.

Now my questions are,

- Will I be able to cache the TGT without using kinit? - If yes, how can I do it using a Java client? - If the answer for the first question is yes, will I be able to do it from my web app opened in the browser?

Related SoF:

https://stackoverflow.com/questions/58912508/caching-tgt-from-browser-other-krb5-client