I saw a code similar to what mentioned below :

```
public class SomeClass : AnotherClass
{
   public SomeClass();
   .
   .
   .
   .
}

```

So what is the meaning of the following line of code in this, what does it do ?

```
public SomeClass(); 

```

[Code I am referring to](http://i.stack.imgur.com/IuAU9.png).