That means that when the applet's container (i.e. the browser) asks for Project1.class from the server, the server gives it something which isn't a Java class.
Let's find out what: the first 4 bytes of it are 791627122 as a decimal number. As a hexadecimal number (get out your calculator which does the conversion) it's 2F2F4572. And converting to characters, that's "//%H".
So whatever your server is returning, it isn't a Java class. It's some kind of text, maybe an error page or something, which starts with "//%H". Check and repair your server configuration.
Joined: Sep 09, 2012
and im sure not how to perform the function you specified in your post