package btp.oneP; public class Element { private String ident; public Element(String id){ ident = id; } public String toString(){ return ident; } public int hashCode(){ return ident.hashCode(); } public boolean equals(Object r){ return r instanceof Element && ident.equals(((Element)r).ident); } protected void finalize(){ System.out.println("Finalizing "+this.getClass().getSimpleName()+" "+ident+":"+(Integer.parseInt(ident)%3==0)); } }