Josie Lyobaw We cannot insert java code in Html Because Java is server side language and Html is client side language. But there is a part "Applet" in java which can be embedded with html and Applet mostly use to make desktop applications.
Check this link to know how we can embedded Applet with html.
🅰🅹 - ɪ'ᴍ ᴄʀɪᴍɪɴᴀʟʟʏ ɢᴏᴏᴅ! Figuratively, with applet you're inserting JAVA code in html. applet is more of
And that lives in a .html file.
Josie Lyobaw , reading your question again, i got another interpretation (since you've got no description for your question). Webview in java are used to write GUI apps in HTML, CSS, JS and maybe XML.
We cannot insert java code in html but we can insert html code in java using applet and then just compile your code with javac compiler and after creating bytecode just get output with appletviewer filename.class