//only one object is created and refernce to that object is provided by this funciton
public static ProcessEmployee getInstance()
{
if (obj == null)
{
obj = new ProcessEmployee();
}
return(obj);
}
static void Main(string[] args)
{
try {
Console.WriteLine(Constants.Greetings); //Display Greeting message
Business.ProcessEmployee obj = Business.ProcessEmployee.getInstance();
String filepath = Business.ProgramHandler.Fileinput(); //gets file path input from user
obj.Readdata(filepath); //reads the file and load data to employee list
obj.Display(); //displays the employee data loaded
Business.ProgramHandler.Runprogram(obj); //Displays available functionality and guide how to use them.
}
catch (Exception e)
{
Console.WriteLine(Constants.Errormessage1 + Constants.Errormessage3 + e.Message + Constants.Errormessage4 + e.StackTrace + utility.Constants.Errormessage2);
}
}