gistfile1.java

class ContainerAdapter implements Procedure<String> {

    private Collection<String> containments = new ArrayList<String>();
    
    protected Container container;
    
    public ContainerAdapter(Container adaptee) {
        this.container = adaptee;
    }
    
    public void run(String obj) {
        this.containments.add(obj.toUpperCase());
    }
    
    public Collection<String> getContainments() {
        EachElement.from(container.getContainments()).run(this);
        return this.containments;
    }
    
}

public class Container {

    protected Collection<String> containments = new ArrayList<String>();

    public Collection<String> getContainments() {
        return containments;
    }

    public static void main(String[] args) {
        Container container = new Container();
        container.getContainments().addAll(Arrays.asList("banana", "abacate", "abacaxi", "maracuja"));
        System.out.println(container.getContainments());
        
        ContainerAdapter adapter = new ContainerAdapter(container);
        System.out.println(adapter.getContainments());
    }
}