I have Bolded Where the errors occur. Error 1 Only assignment, call, increment,

Q: I have Bolded Where the errors occur. Error 1 Only assignment, call, increment,

try this........ public EventListener(Student student) with this one public EventListener(Student stu)

ID: 3555112 • Letter: I

Question

I have Bolded Where the errors occur.

Error 1 Only assignment, call, increment, decrement, await, and new object expressions can be used as a statement

Error 2 The event 'Student.NewCredits' can only appear on the left hand side of += or -= (except when used from within the type 'Student')

Error 3 No overload for 'NewCredits' matches delegate 'System.EventHandler'

// This file contains three classes
// Student class contains Student information
// EventListener contains method that executes
//    when Student completes a course so that Student
//    knows how many credit hours remain until graduation
// Demo class demonstrates the other two classes
using System;
class Student
{
   public event EventHandler NewCredits;
   public int IdNum {get; set;}
   public string LastName {get; set;}
   public string FirstName {get; set;}
   public int CreditsCompleted {get; set;}
   public void AddCreditsCompleted(int newCredits)
   {
      CreditsCompleted += newCredits;
      OnNewCredits(EventArgs.Empty);
   }

   public void OnNewCredits(EventArgs e)
   {
       NewCredits(this, e);
   }

}

class EventListener
{
     private Student stu;
     const int CREDITS_TO_GRADUATE = 120;
     const int SOPHOMORE = 30;
     const int JUNIOR = 60;
     const int SENIOR = 90;
     public EventListener(Student student)
     {
        stu.NewCredits == new EventHandler(NewCredits);
     }
     private void NewCredits(EventArgs e)
     {
        Console.WriteLine("{0} {1} has completed new credits:", stu.FirstName, stu.LastName);
        if(stu.CreditsCompleted >= CREDITS_TO_GRADUATE)
            Console.WriteLine("Credits = {0}. Qualified for graduation.",
              stu.CreditsCompleted);
        else
        {
          Console.Write("   {0} credits completed; {1} credits to go.",
            stu.CreditsCompleted, CREDITS_TO_GRADUATE - stu.CreditsCompleted);
          Console.Write(" Current status is ");
          if(stu.CreditsCompleted == SENIOR)
            Console.WriteLine("senior.");
          else if(stu.CreditsCompleted == JUNIOR)
             Console.WriteLine("junior.");
          else if(stu.CreditsCompleted == SOPHOMORE)
             Console.WriteLine("sophomore.");
          else Console.WriteLine("freshman.");
        }
      }
}

class DebugThirteen1
{
   static void Main()
   {
       Student Student();
       EventListener listener = new EventListener(oneStu);
       oneStu.IdNum = 2345;
       oneStu.LastName = "Flood";
       oneStu.FirstName = "Megan";
       oneStu.AddCreditsCompleted(15);
       oneStu.AddCreditsCompleted(15);
       oneStu.AddCreditsCompleted(14);
       oneStu.AddCreditsCompleted(14);
       oneStu.AddCreditsCompleted(17);
       oneStu.AddCreditsCompleted(16);
       oneStu.AddCreditsCompleted(15);
       oneStu.AddCreditsCompleted(18);
   }
}

Explanation / Answer

try this........

public EventListener(Student student)

with this one

public EventListener(Student stu)

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I have Bolded Where the errors occur. Error 1 Only assignment, call, increment,

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