// patterns/doubledispatch/Aluminum.java // (c)2020 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Visit http://OnJava8.com for more book information. // Aluminum for double dispatching package patterns.doubledispatch; import patterns.trash.*; import java.util.*; public class Aluminum extends patterns.trash.Aluminum implements TypedBinMember { public Aluminum(double wt) { super(wt); } @Override public boolean addToBin(List tbins) { return tbins.stream() .anyMatch(tb -> tb.add(this)); } }