Bar extends Foo

class Foo
{
    public void foo()
    {
        System.out.println(this.toString() + ": foo()");
    }
}
class Bar extends Foo
{
    public void bar()
    {
        System.out.println(this.toString() + ": bar()");
    }
}
public class FooBar
{
    public static void main(String[] args)
    {
        /* Bar extends Foo (and this is to-do) */
    }
}