Question: convert this java code to c++ please: import java.util.*; /* Class Node */ class Node { protected int data; protected Node link; /* Constructor */
convert this java code to c++ please:
import java.util.*;
/* Class Node */
class Node
{
protected int data;
protected Node link;
/* Constructor */
public Node()
{
link = null;
data = 0;
}
/* Constructor */
public Node(int d,Node n)
{
data = d;
link = n;
}
/* Function to set link to next Node */
public void setLink(Node n)
{
link = n;
}
/* Function to set data to current Node */
public void setData(int d)
{
data = d;
}
/* Function to get link to next node */
public Node getLink()
{
return link;
}
/* Function to get data from current Node */
public int getData()
{
return data;
}
}
/* Class PriorityStack */
class priorityStack
{
protected Node top ;
protected int size ;
/* Constructor */
public priorityStack()
{
top = null;
size = 0;
}
/* Function to check if stack is empty */
public boolean isEmpty()
{
return top == null;
}
/* Function to get the size of the stack */
public int getSize()
{
return size;
}
/* Function to push an element to the stack */
public void push(int data)
{
Node nptr = new Node (data, null);
if (top == null)
top = nptr;
else
{
nptr.setLink(top);
top = nptr;
}
size++ ;
}
/* Function to pop an element from the stack */
public int pop()
{
if (isEmpty() )
throw new NoSuchElementException("Underflow Exception") ;
Node ptr = top;
top = ptr.getLink();
size-- ;
return ptr.getData();
}
/* Function to check the top element of the stack */
public int peek()
{
if (isEmpty() )
throw new NoSuchElementException("Underflow Exception") ;
return top.getData();
}
/* Function to display the status of the stack */
public void display()
{
System.out.print(" Stack = ");
if (size == 0)
{
System.out.print("Empty ");
return ;
}
Node ptr = top;
while (ptr != null)
{
System.out.print(ptr.getData()+" ");
ptr = ptr.getLink();
}
System.out.println();
}
}
/* Class LinkedStackImplement */
public class LinkedStackImplement
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
/* Creating object of class PriorityStack*/
PriorityStack ls = new Prioritystack();
/* Perform Stack Operations */
System.out.println("Linked Stack Test ");
char ch;
do
{
System.out.println(" Linked Stack Operations");
System.out.println("1. push");
System.out.println("2. pop");
System.out.println("3. peek");
System.out.println("4. check empty");
System.out.println("5. size");
int choice = scan.nextInt();
switch (choice)
{
case 1 :
System.out.println("Enter integer element to push");
ls.push( scan.nextInt() );
break;
case 2 :
try
{
System.out.println("Popped Element = "+ ls.pop());
}
catch (Exception e)
{
System.out.println("Error : " + e.getMessage());
}
break;
case 3 :
try
{
System.out.println("Peek Element = "+ ls.peek());
}
catch (Exception e)
{
System.out.println("Error : " + e.getMessage());
}
break;
case 4 :
System.out.println("Empty status = "+ ls.isEmpty());
break;
case 5 :
System.out.println("Size = "+ ls.getSize());
break;
case 6 :
System.out.println("Stack = ");
ls.display();
break;
default :
System.out.println("Wrong Entry ");
break;
}
/* display stack */
ls.display();
System.out.println(" Do you want to continue (Type y or n) ");
ch = scan.next().charAt(0);
} while (ch == 'Y'|| ch == 'y');
}
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