Hello, this is my code and it have redefinition error, please help me to fix it...
Hello, this is my code and it have redefinition error, please help me to fix it
//doublenode.hpp
#ifndef DOUBLENODE_HPP
#define DOUBLENODE_HPP
template<class ItemType>
class DoubleNode
{
private:
ItemType item;
DoubleNode<ItemType>* next;
DoubleNode<ItemType>* prev;
public:
DoubleNode();
DoubleNode(const ItemType& anItem);
DoubleNode(const ItemType& anItem,DoubleNode<ItemType>* nextNodePtr, DoubleNode<ItemType>* previousNodePtr);
void setItem(const ItemType& anItem);
ItemType getItem() const;
void setNext(DoubleNode<ItemType>* nextNodePtr);
DoubleNode<ItemType>* getNext() const;
void setprevious(DoubleNode<ItemType>* previousNodePtr);
DoubleNode<ItemType>* getPrevious() const;
};
#include "DoubleNode.cpp"
#endif
//doblenode.cpp
//#ifndef DOUBLE_NODE_CPP
//#define DOUBLE_NODE_CPP
#include "DoubleNode.hpp"
template <class ItemType>
DoubleNode<ItemType>::DoubleNode():next(nullptr),prev(nullptr)
{
}
template <class ItemType>
DoubleNode<ItemType>::DoubleNode(const ItemType& anItem):item(anItem),next(nullptr),prev(nullptr)
{
}
template <class ItemType>
DoubleNode<ItemType>::DoubleNode(const ItemType& anItem,DoubleNode<ItemType>* nextNodePtr, DoubleNode<ItemType>* previousNodePtr):item(anItem),next(nextNodePtr),prev(previousNodePtr)
{
}
template <class ItemType>
void DoubleNode<ItemType>::setItem(const ItemType& anItem)
{
item=anItem;
}
template <class ItemType>
ItemType DoubleNode<ItemType>::getItem() const
{
return item;
}
template <class ItemType>
void DoubleNode<ItemType>::setNext(DoubleNode<ItemType>* nextNodePtr)
{
next=nextNodePtr;
}
template <class ItemType>
DoubleNode<ItemType>* DoubleNode<ItemType>:: getNext() const
{
return next;
}
template <class ItemType>
void DoubleNode<ItemType>::setprevious(DoubleNode<ItemType>* previousNodePtr)
{
prev=previousNodePtr;
}
template <class ItemType>
DoubleNode<ItemType>* DoubleNode<ItemType>:: getPrevious() const
{
return prev;
}
//#endif
Homework Answers
remove '#include "DoubleNode.cpp" ' from doublenode.hpp .
//doublenode.hpp
#ifndef DOUBLENODE_HPP
#define DOUBLENODE_HPP
template<class ItemType>
class DoubleNode
{
private:
ItemType item;
DoubleNode<ItemType>* next;
DoubleNode<ItemType>* prev;
public:
DoubleNode();
DoubleNode(const ItemType& anItem);
DoubleNode(const ItemType& anItem,DoubleNode<ItemType>* nextNodePtr, DoubleNode<ItemType>* previousNodePtr);
void setItem(const ItemType& anItem);
ItemType getItem() const;
void setNext(DoubleNode<ItemType>* nextNodePtr);
DoubleNode<ItemType>* getNext() const;
void setprevious(DoubleNode<ItemType>* previousNodePtr);
DoubleNode<ItemType>* getPrevious() const;
};
// #include "DoubleNode.cpp"
#endif
//doblenode.cpp
//#ifndef DOUBLE_NODE_CPP
//#define DOUBLE_NODE_CPP
#include "DoubleNode.hpp"
template <class ItemType>
DoubleNode<ItemType>::DoubleNode():next(nullptr),prev(nullptr)
{
}
template <class ItemType>
DoubleNode<ItemType>::DoubleNode(const ItemType& anItem):item(anItem),next(nullptr),prev(nullptr)
{
}
template <class ItemType>
DoubleNode<ItemType>::DoubleNode(const ItemType& anItem,DoubleNode<ItemType>* nextNodePtr, DoubleNode<ItemType>* previousNodePtr):item(anItem),next(nextNodePtr),prev(previousNodePtr)
{
}
template <class ItemType>
void DoubleNode<ItemType>::setItem(const ItemType& anItem)
{
item=anItem;
}
template <class ItemType>
ItemType DoubleNode<ItemType>::getItem() const
{
return item;
}
template <class ItemType>
void DoubleNode<ItemType>::setNext(DoubleNode<ItemType>* nextNodePtr)
{
next=nextNodePtr;
}
template <class ItemType>
DoubleNode<ItemType>* DoubleNode<ItemType>:: getNext() const
{
return next;
}
template <class ItemType>
void DoubleNode<ItemType>::setprevious(DoubleNode<ItemType>* previousNodePtr)
{
prev=previousNodePtr;
}
template <class ItemType>
DoubleNode<ItemType>* DoubleNode<ItemType>:: getPrevious() const
{
return prev;
}
//#endif
please upvote if it helped.
Add Answer to:
Hello, this is my code and it have redefinition error, please
help me to fix it...
C++ Error. I'm having trouble with a pointer. I keep getting the error "Thread 1: EXC_BAD_ACCESS...
C++ Error. I'm having trouble with a pointer. I keep getting the
error "Thread 1: EXC_BAD_ACCESS (code=1, address=0x18)"
The objective of the assignment is to revise the public method
add in class template LinkedBag so that the new
node is inserted at the end of the linked chain instead of at the
beginning.
This is the code I have:
linkedBag-driver.cpp
BagInterface.hpp
LinkedBag.hpp
Node.hpp
int main) LinkedBag<string> bag; cout << "Testing array-based Set:" << endl; cout << "The initial bag is...
This is a c++ class utilizing class templates and linked lists. I need to implement the...
This is a c++ class utilizing class templates and linked lists. I need to implement the following member function(s) to List.cpp. Node.hpp/cpp should be fine but if you feel like there needs to be a change for compilation or testing, feel free to do so but make sure to comment on why it was done. /** @pre assumes position is valid, if position is > item_count_ it returns an empty List, also assumes that operators <= and >= are defined...
Double linked list implementation of PutItem function. How to fix my code to get desired output b...
Double linked list implementation of PutItem function. How to fix my code to get desired output below: Output: 2 5 8 #ifndef ITEMTYPE_H #define ITEMTYPE_H enum RelationType { LESS, GREATER, EQUAL}; class ItemType { public: ItemType(); void setValue(int newValue); int getValue() const; RelationType ComparedTo(ItemType newItem); private: int value; }; #endif // ITEMTYPE_H // ItemType.cpp #include "ItemType.h" ItemType::ItemType() { value = 0; } void ItemType::setValue(int newValue) { value = newValue; } int ItemType::getValue() const { return value; } RelationType ItemType::ComparedTo(ItemType newItem)...
This is a c++ class utilizing class templates and linked lists and Nodes. I need to...
This is a c++ class utilizing class templates and linked lists and Nodes. I need to implement the following member function(s) to LinkedBag.cpp. Node.hpp/cpp should be fine but if you feel like there needs to be a change for compilation or testing, feel free to do so but make sure to comment on why it was done. In this case, I need to join the original items with the user items(a_bag). So if the original has {1,2,3} and a_bag has...
Given the following code: #ifndef TREE_H #define TREE_H #include <iostream> #include "TreeNode.h" template< typename NODETYPE > class Tree { public: Tree() : rootPtr( nullptr ) {}...
Given the following code: #ifndef TREE_H #define TREE_H #include <iostream> #include "TreeNode.h" template< typename NODETYPE > class Tree { public: Tree() : rootPtr( nullptr ) {} void insertNode( const NODETYPE &value ) { insertNodeHelper( &rootPtr, value ); } void preOrderTraversal() const { preOrderHelper( rootPtr ); } void inOrderTraversal() const { inOrderHelper( rootPtr ); } private: TreeNode< NODETYPE > *rootPtr; void insertNodeHelper( TreeNode< NODETYPE > **ptr, const NODETYPE &value ) { if ( *ptr == nullptr ) * ptr = new...
Trace the following program. What is the output after execution? typedef double T; class PlainBox{ private:...
Trace the following program. What is the output after execution? typedef double T; class PlainBox{ private: T item; public: PlainBox(); PlainBox(const T& theItem); void setItem(const T& itemItem); T getItem() const; friend ostream & operator<<(ostream & out, const PlainBox & theBox); bool operator<(const PlainBox & theBox); }; PlainBox::PlainBox(){} PlainBox::PlainBox( const ItemType & theItem){ item = theItem; } void PlainBox:: setItem(const T& theItem){ item = theItem; } T PlainBox:: getItem () const { return item; } //remaining implementation is not shown source.cpp...
The program I wrote has a few memory leaks. My assignment is to just fix the...
The program I wrote has a few memory leaks. My assignment is to
just fix the memory leaks. Here's the code:
bool RemoveTail()
{
if (tail == nullptr)
return false;
Node *ptr = tail;
if(tail->prev != nullptr)
{
tail = tail->prev;
tail->next = nullptr;
}
else
{
tail = nullptr;
head = nullptr;
}
delete ptr;
ptr = nullptr;
length--;
return true;
}
bool RemoveAt(const unsigned int index)
{
if(index >= length || index < 0)
return false;
unsigned int...
// Node.h #ifndef NODE_H #define NODE_H class Node { private: int m_entry; Node *m_next; public: Node();...
// Node.h #ifndef NODE_H #define NODE_H class Node { private: int m_entry; Node *m_next; public: Node(); Node(int entry); int getEntry() const; void setEntry(int entry); Node *getNext(); void setNext(Node *next); }; #endif // Node.cpp #include "Node.h" Node::Node() { m_entry = 0; m_next = nullptr; } Node::Node(int entry) { m_entry = entry; } int Node::getEntry() const { return m_entry; } void Node::setEntry(int entry) { m_entry = entry; } Node *Node::getNext() { return m_next; } void Node::setNext(Node *next) { m_next = next; }...
Why is the answer 10 and 0 (respectively - two different answers, one is 10 and...
Why is the answer 10 and 0 (respectively - two different answers, one is 10 and the second one is 0)? I don't know how to trace this. Please don't be too complex in your explanation. Consider the following class public class Node { private int item; private Node next; public Node() { this(0); } public Node(int item) { this(item, null); } public Node(int item, Node next) {...
I need help with understanding dummy nodes in doubly-linked lists. Here is the code that I...
I need help with understanding dummy nodes in doubly-linked lists. Here is the code that I have right now. ************city.h**************** #ifndef city_h #define city_h #include <string> using namespace std; class City{ public: City () { name = "N/A"; population = 0; } City (string nm, unsigned int pop){ name = nm; population = pop; } void setName (string name) { this -> name = name; } void setPopulation (unsigned int population){ this -> population = population; } string getName() const...
C++ Error. I'm having trouble with a pointer. I keep getting the
error "Thread 1: EXC_BAD_ACCESS (code=1, address=0x18)"
The objective of the assignment is to revise the public method
add in class template LinkedBag so that the new
node is inserted at the end of the linked chain instead of at the
beginning.
This is the code I have:
linkedBag-driver.cpp
BagInterface.hpp
LinkedBag.hpp
Node.hpp
int main) LinkedBag<string> bag; cout << "Testing array-based Set:" << endl; cout << "The initial bag is...
The program I wrote has a few memory leaks. My assignment is to
just fix the memory leaks. Here's the code:
bool RemoveTail()
{
if (tail == nullptr)
return false;
Node *ptr = tail;
if(tail->prev != nullptr)
{
tail = tail->prev;
tail->next = nullptr;
}
else
{
tail = nullptr;
head = nullptr;
}
delete ptr;
ptr = nullptr;
length--;
return true;
}
bool RemoveAt(const unsigned int index)
{
if(index >= length || index < 0)
return false;
unsigned int...
Most questions answered within 3 hours.
-
Feynman's use of path integrals can make some of the transition
from quantum scale to real...
asked 1 minute ago -
The following circuits (1 & 2) are combined to form a
series-parallel circuit and resulting circuit...
asked 2 minutes ago -
Pb(NO3)2 (aq) + 2 KCl (aq) PbCl2 (s) + 2 KNO3 (aq)
If 54.5mL of 3.82M...
asked 2 minutes ago -
Razeghi (2008) states "In order to succeed at innovation, do not
focus on being creative; rather...
asked 8 minutes ago -
How much heat is required at constant pressure to melt 1 mole of
ice at -25...
asked 11 minutes ago -
Suppose N is a discrete random variable defined by probability
distribution:
n
Pr(N = n)
10...
asked 12 minutes ago -
why are special-interest travelers becoming more important to
tourism service suppliers?
asked 16 minutes ago -
A 50.0-kg child takes a ride on a Ferris wheel that rotates four
times each minute...
asked 38 minutes ago -
What happens to the distribution of gene alleles when a
reproductive isolation arises between different population...
asked 37 minutes ago -
1 – Balance the following
Bi(OH)3 + SnO22- →
SnO32- +
Bi
asked 49 minutes ago -
Explain what we mean by "The electric field at the point marked
X is 10 N/C."...
asked 1 hour ago -
What is the positive energy states in Dirac’s picture? It says
that it leaves an empty...
asked 59 minutes ago