//Refer to the code below and implement the missing method as specified

public class NumList{

public Node head;

public NumList(){

head=null;

}

public NumList add(int num){//attach a new Node to the end of the list

if(head==null)

head=new Node(num);

else{

Node tmp=head;

while(tmp.next != null)

tmp = tmp.next;

tmp.ext=new Node(num);

}

return this;

}

public int count(int value){ //implement this method so it counts and returns how many times the value appears in the list

}

}

class Node{

public int data;

public Node next;

public Node(int num){

data=num;

next=null;

}

}