C# --Mixing functions and methods

functions_and_methods.cs

// MixingFunctionsAndMethods – mixing class functions and object methods can  class cause problems
using Systems;
namespace MixingFunctionsAndMethods
{
	public class Students
{
	public string sFirstName;
	public string sLastName;
	// InitStudent – initialize the student object 
	
	public void InitStudent (string sFirstName, string sLastName)
{
	this.sFirstName = sFirstName;
	this.sLastName = sLastName;
}
// OutputBanner = output the introduction
public static void OutputBanner()
{
	Console.Writeline(“Aren’t we clever:”);
	// Console.WriteLine(? what student do we use?);
}
public void OutputBannerAndName()
{ 
	// the class student is implied but no this
	// object is passed to the static function
OutputBanner(); // a static function, here the current student object is passed explicitly
Output(this);
}
// OutputName – output the students name
public static void OutputName(Student student)
{
	// here the Student object is referenced explicitly
Console.WriteLine(“Students name is {0}”, student.ToNameString());
}
// ToNameString – Fetch the student’s name
public string ToNameString()
{
// here the current object is implicit –
// this could have been written:
// return this.sFirstName + “” + this.sLastName;
return sFirstName + “ “ + sLastName;
}
}





public class Program
{
	public static void Main(string[] args)
	{
	   Student student = new Student ();
	   student.InitStudent(“Madeleine”, “Cather”);
	// output the banner and name
	Student.OutputBanner();
	Student.OutputName(student);
	Console.WriteLine();
	// output the banner and name again
	student.OutputBannerAndName();
// wait for user to acknowledge
Console.WriteLine(“Press Enter to terminate…”);
Console.Read();
}}}