Reusable matches color spec

MatchesColorSpec.java

/**
 *  Determines if the given objects have the specified color.
 */
public class MatchesColorSpec {
    private final Color color;
    
    public MatchesColorSpec(Color color) {
        this.color = color;
    }
  
    public boolean isSatisfiedBy(Collection<Colored> objects) {
        return objects.stream()
            .allMatch(object -> object.hasColor(color));
    }
}