C#

using System;
using System.IO;
using System.Text;

class Test
{
    static void DoTest()
    {
        int result = 0;

	// test code goes in here
	// test code goes in here

        Console.WriteLine("C# test result: {0}", result);
    }

    static void Main(string[] args)
    {
        for (int i = 0; i < args.Length; ++i)
        {
            Console.WriteLine("Arg {0}: {1}", i, args[i]);
        }
        try
        {
            DoTest();
        }
        catch (Exception e)
        {
            Console.WriteLine(e.Message);
        }
    }
}

public static void Main(string[] args)
    {
    Program prog = new Program();
    StreamReader sr = new StreamReader("demo.adv");

public static void Main(string[] args)
    {
    Program prog = new Program();
    StreamReader sr = new StreamReader("demo.adv");
    
    Console.WriteLine("Start of Program");
    prog.y = 4;
    prog.ReadHeader(sr);
...    
    }
public void ReadHeader(StreamReader sr)
    {
    Console.WriteLine("Read Header");
    Text1 = sr.ReadLine(); 
    
    Console.WriteLine(y);
    i = 6;
    }

private StreamReader sr;
public static void Main(string[] args)
    {
    Program prog = new Program();
    prog.sr = new StreamReader("demo.adv");
    
    Console.WriteLine("Start of Program");
    prog.y = 4;
    prog.ReadHeader();
...    
    }

Luc Pattyn wrote:

I am enjoying ... pie day

// assume 'Students is a List<Student>
IEnumerable<Student> earlydatestudents = Students.GroupBy(std => std.Group)
    .Select(grp =>
    {
        DateTime dt = grp.Min(s => s.DOB);
        return grp.Where(st => st.DOB == dt);
    })
    .SelectMany(slist => slist);

var toDeleteList = Students.Except(earlydatestudents).ToList();

// now delete or whatever