struct node
{
  int data;
  node* next;//node IS what is being defined
};

class Link {
public int data1;
public double data2;
public Link nextLink;

//Link constructor
public Link(int d1, double d2) {
    data1 = d1;
    data2 = d2;
}

//Print Link data
public void printLink() {
    System.out.print("{" + data1 + ", " + data2 + "} ");
}

struct X{
 X* y;
};