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 Question subject: Implementation of List
PostPosted: Sun May 25, 2008 5:14 pm 
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Here is the source codes the header and .cpp :gOOd:

The header file :

Code:
#include<iostream.h>
typedef int ListElementType;

class List
{
public:
   List();
   void insert(const ListElementType & elem );
   bool first(ListElementType & elem);
   bool next(ListElementType & elem);

private:
   //implementation specific stuff here
};


.cpp file
Code:
#include<iostream.h>
#include"ListADT.h"

List::List()
{
   numberOfElements=0;
   currentPostion=-1;
}
void List::insert(const ListElementType &elem)
{
     assert(numberOfElements<maxListSize);

     listArray[numberOfElements]=elem;

     numberOfElements++;
}
bool List::first(ListElementType & elem)
{
   if (numberOfElements==0)
      return false;
   else {
      currentPostion=0;
      elem=listArray[currentPostion];
      return true;
   }
}
bool List::next(ListElementType &elem)
{
   assert(currentPosition>=0)
      if(CurrentPosition>=numberOfElements-1)
         return false ;
      else {
         currentPostion--;

         elem=listArray[currentPostion];
         return true;
      }
}

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