public Student(int i, string n, int a, int p)
{
id = i;
name = n;
age = a;
per = p;
next = null;
}
public Student()
{
id = 0;
name = "";
age = 0;
per = 0;
next = null;
}
public static void Main()
{
string ch="y";
int choice,index;
int size, i;
MyCollege c = new MyCollege();
while(ch=="y" || ch=="Y")
{
Console.WriteLine("----ops----");
Console.WriteLine("1.Create list");
Console.WriteLine("2.Insert student");
Console.WriteLine("3.Display");
Console.WriteLine("4.Delete student");
Console.WriteLine("Enter the choice");
choice=int.Parse(Console.ReadLine());
switch(choice)
{
case 1:
Console.WriteLine("Enter the size:");
size=int.Parse(Console.ReadLine());
Console.WriteLine("-----Students Info-----");
for (i = 0; i < size; i++)
{
Student s1 = new Student();
s1.accept();
c[i] = s1;
}
break;
case 2:
Console.WriteLine("New student");
Student s=new Student();
s.accept();
Console.WriteLine("Enter the index");
index=int.Parse(Console.ReadLine());
c[index]=s;
break;
case 3:
Console.WriteLine(c);
break;
case 4:
Console.WriteLine("Enter the student to delete");
index=int.Parse(Console.ReadLine());
Student s2=c[index];
Console.WriteLine("Deleted student");
Console.WriteLine(s2);
break;
}
Console.WriteLine("Wanna conti(y/n)");
ch=Console.ReadLine();
}
Console.ReadLine();
}
public Student this[int index]
{
set
{
Student temp = value;
if(index==0 || start==null)
{
temp.NEXT = start;
start = temp;
temp = null;
return;
}
int i=1;
Student p = start;
while (p.NEXT != null)
{
if (i == index-1 )
{
temp.NEXT = p.NEXT;
p.NEXT = temp;
temp = null;
return;
}
i++;
p = p.NEXT;
}
p.NEXT = temp;
temp = null;
}
get
{
if (start == null)
{
return null;
}
if (index == 0)
{
Student p = start;
start = start.NEXT;
return p;
}
int i=1;
Student p1 = start;
while (p1 != null)
{
if (i == index-1)
{
Student q = p1.NEXT;
p1.NEXT = q.NEXT;
return q;
}
i++;
p1=p1.NEXT;
}
return null;
}
}
public MyCollege()
{
start = null;
}
