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| Test 1 | |
| Name: Linky | Time: 1 hr |
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Create a linked list using classes, and save the data you put into the lists to a text file. Hint: Create a linked list exactly as before, then swap the struct for the class, put data into the private part of the class, create the next and prev nodes in the public part of the class. |
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| Answer | ||
| Answer below - drag the cursor over the white space to highlight the answer | ||
| Test 1 | Linky | Program , Source code |
#include <conio.h>
#include <iostream.h>
#include <fstream.h>
class My_class
{
private:
int data;
public:
void Set_data(int value)
{
data=value;
}
int Get_data()
{
return data;
}
My_class *next,*prev;
};
void main()
{
My_class *Pointer;
Pointer = new My_class; //1st list
Pointer->prev=0;
Pointer->Set_data(5);
Pointer->next=new My_class; //2nd list
Pointer->next->prev=Pointer;
Pointer=Pointer->next;
Pointer->Set_data(10);
Pointer->next=new My_class; //3rd list
Pointer->next->prev=Pointer;
Pointer=Pointer->next;
Pointer->Set_data(15);
Pointer->next=new My_class; //4th list
Pointer->next->prev=Pointer;
Pointer=Pointer->next;
Pointer->Set_data(20);
Pointer->next=0;
ofstream Data("Data.txt");
while(Pointer->prev!=0)
{
Data << Pointer->Get_data() << endl;
Pointer=Pointer->prev;
delete Pointer->next;
}
Data << Pointer->Get_data();
delete Pointer;
Data.close();
cout << "Press any key to continue.";
getch();
}
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