Bulb class need help

Uhhhhhh I'm not sure what string representation you actually want but you have two options.

Either:

Java Code:

public String getOn() {
     if(on) {
            return "whatever you want for on goes here";
     } else {
            return "whatever you want for off going here";
     }
}

If you want to do this in one line, you can use

Java Code:

return (on ? "whatever you want for on" : "whatever you want for off");

This does the exact same thing, in the format of (boolean ? what to do if true : what to do if false)