class Nodo { 
    public Nodo() { 
      info = null; 
      next = null; 
    } 

    public Object getInfo() { 
       return info; 
    } 
  
    public Nodo getNext() { 
       return next; 
    } 

    public void setInfo(Object o) { 
       info = o; 
    } 

    public void setNext(Nodo n) { 
       next=n; 
    } 

    private Object info; 
    private Nodo next; 
}