I'm So Confused

This Whole Example is Confusing me to much Especially at Line 59
current_node = new_node; if current Node is = to New Node then the current Must Have the Value of the New for example if new node's Value is 6 the current node should have 6 that's not an error i just want an explanation Please Explain it
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#include <iostream>
#include  <conio.h>
#include <stdlib.h>
using namespace std;
class Node{
public:
	int getn()
	{
		return object;
	}
	void  setn(int  obj)
	{
		this->object = obj;
	}
	Node* getnex()
	{
		return  Next_node;
	}
	void setnext(Node *Next_node)
	{
		
		this->Next_node  = Next_node;
	}
private:
	int  object;
	Node*  Next_node;
};

class list{
public:
	void add(int);
	int  get();
	bool next();
	friend void traverse(list List);
	friend list addnodes();
	list()
	{
		head_node  = new   Node();
		head_node->setnext(NULL);
		current_node =  NULL;
		size  = 0;
	}
private:
	int size;
	Node* current_node;
	Node* head_node;
	Node* last_current_node;

};
void  list::add(int  obj)
{
	Node*  new_node  = new Node();
	new_node->setn(obj);
	if(current_node != NULL)
	{
		new_node->setnext(current_node->getnex());
		current_node->setnext(new_node);
		last_current_node  = current_node;
		current_node =  new_node;
	}
	else
	{
		new_node->setnext(NULL);
		head_node->setnext(new_node);
		last_current_node =  head_node;
		current_node =  new_node;
	}
	size++;
}
int  list::get()
{
	if(current_node!=NULL)
	{
		return current_node->getn();
	}

}
bool list::next()
{
	if(current_node  ==  NULL)
	{
		return false;
	}
	last_current_node  = current_node;
	current_node  =  current_node->getnex();
	if(current_node  == NULL || size  == 0)
	{
		return  false;
	}
	else
	{
		return  true;
	}

}
void  traverse(list  List)
{
	Node* saved_C_node  = List.current_node;
	List.current_node = List.head_node;
	for(int i =  1;List.next();i++)
	{
		cout<<"\n Elements: "<<i<<"	"<<List.current_node;
	}

}
list addnodes()
{
	list LIst;
	LIst.add('s');
	LIst.add('x');
	LIst.add(3);
	LIst.add(4);
	LIst.add(5);
	LIst.add(6);
	LIst.add(7);
	LIst.add(8);
	cout<<"\n  List  Size Is  =   "<<LIst.size<<endl;
	return  LIst;
}
int main()
{
	list  LIst = addnodes();
	traverse(LIst);
	_getch();
}


current_node is a pointer, like a note with an address. You changing it to point to new_node, like writing down new address of your friend, who have moved
linked list is so confusing. You really need a board and draw your nodes list and the node itself. Keep tracking each node.
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