java - Unsupported major.minor version 52.0

Pictures:

src="https://i.imgur.com/J6SWWBb.png" alt="Command Prompt showing
versions">
Command Prompt showing
versions

src="https://i.imgur.com/Xj8mCUp.png" alt="Picture of
error">
Picture of
error

Hello.java

import
            java.applet.Applet;
import java.awt.*;

public class Hello
            extends Applet {

 // Java applet to draw "Hello World"

            public void paint (Graphics page) {

 page.drawString ("Hello
            World!", 50, 50);

            }
}

Hello.html

class="lang-html prettyprint-override">








HEIGHT=150>






Error

Hello
            : Unsupported major.minor version
            52.0

What may the
problem be?