How to access Subclass?

class SuperClass{
    public void hello(){
        System.out.println("Hello World");
    }
}
class SubClass extends SuperClass{
    public void hello(){
        super.hello();
        System.out.println("Welcome");
    }
}
class SubClassExample{
    public static void main(String[] args) 
    {
        SubClass c=new SubClass();
        c.hello();
    }
}