C#

<font color="green">// Value type</font>
struct Val
{
   int X;
}
<font color="green">// Appears to create an instance of a "class", but no class exists</font>
Val v = new Val();
<font color="green">// Writes out 0</font>
Console.Write(v.X.ToString());

Not everything that can be counted counts, and not everything that counts can be counted. - Albert Einstein

Not everything that can be counted counts, and not everything that counts can be counted. - Albert Einstein

public NumberSolver(int result, ArrayList numbers)
{
   this.result = result;
   this.numbers = numbers;
   functions = new ArrayList();

   functions.Add( new FunctionHandler( this.Add ));
   functions.Add( new FunctionHandler( this.Subtract ));
   functions.Add( new FunctionHandler( this.Multiply ));
   functions.Add( new FunctionHandler( this.Divide ));
   functions.Add( new FunctionHandler( this.Power ));
}
...
public delegate int FunctionHandler(int a, int b);
...
//in some method, not clear now ;P
int output = numbers[0];
for (int i = 0; i < functions.Count; i++)
{
   FunctionHandler func = (FunctionHandler) functions[i];
   output = func(output, numbers[i + 1]);
}
return output;