Link List in C++

#include<iostream>
using namespace std;
class Node 
{

private :

int data;

Node* next;
public:

Node() {};

void SetData(int aData) { data = aData; };

void SetNext(Node* aNext) { next = aNext; };

int Data() { return data; };

Node* Next() { return next; };

};

class List 

{
Node *head;
public:
List() { head = NULL; };
void Print();
void Add(int data);
void Append();
void find();
void Delete();
};
void List::Print()

{

Node *tmp = head;

while ( tmp != NULL )

{

cout << tmp->Data();

cout << " --> ";

tmp = tmp->Next();

}

cout << "NULL" << endl;

}
void List::Add(int data)
{
Node* newNode = new Node();
newNode->SetData(data);
newNode->SetNext(NULL);
Node *tmp = head;

if ( tmp != NULL )

{

while ( tmp->Next() != NULL )

{
tmp = tmp->Next();
}
tmp->SetNext(newNode);
}
else
{
head = newNode;
}
}
void List::Append()

{
Node* newNode = new Node();
Node *tmp = head;
Node *temp = head;

int n,data;
cout<<"Enter the node number : ";
cin>>n;
cout<<"Enter the data : ";
cin>>data;
newNode->SetData(data);
for( int i=1; i<n; i++)
{ tmp = tmp->Next(); }
temp = tmp->Next();
tmp->SetNext(newNode);
newNode->SetNext(temp);

}
void List::find()

{
int n, count = 0;
cout<<"Enter data to find in the list : ";
cin>>n;
Node *tmp = head;
while ( tmp != NULL )
{

count = count + 1;

if( n == tmp->Data())

{

cout<<"The data found on node number "<< count <<endl ;

break;

}
tmp = tmp->Next();
}

}
void List::Delete()

{

int n, count = 0;

cout<<"Enter data to delete : ";

cin>>n;

Node *tmp = head;

Node *temp = head;

while ( tmp != NULL )

{

count = count + 1;

if( n == tmp->Data())

{

break;

}

tmp = tmp->Next();

}



for( int j = 1; j < count-1; j++ )

{

temp = temp->Next();

}

temp->SetNext(tmp->Next());

delete tmp;

}
int main()
{
int n;

char c;

List mylist;

mylist.Add(10);

mylist.Add(20);

mylist.Add(30);

mylist.Add(40);

mylist.Add(50);

mylist.Add(60);

mylist.Add(70);

mylist.Add(80);

mylist.Add(90);
Choice:
cout<<"\n*********************** Please enter your choice ***********************\n\n ";

cout<<" A) To add node at the end of list \n ";
cout<<" B) To add node anywhere in the list \n ";

cout<<" C) To find data in the list \n ";

cout<<" D) To delete data from the list \n ";
cout<<" E) To display the list \n ";
cout<<" F) To exit \n ";
cin>>c;
switch(c)
{
case 'a':
case 'A':
cout<<"Enter data you want to enter in the last node : ";
cin>>n;
mylist.Add(n);
goto Choice;
break;
case 'b':
case 'B':
mylist.Append();
goto Choice;
break;
case 'c':
case 'C':
mylist.find();
goto Choice;
break;
case 'd':
case 'D':
mylist.Delete();
goto Choice;
break;
case 'e':
case 'E':
mylist.Print();
goto Choice;
break;
case 'f':
case 'F':
return 0;
break;
default:
cout<<"\n\nWrong Choice .";
goto Choice;
}
}