Joy of Patterns: Using Patterns for Enterprise Development, The

SimplePart.java

package ProductConfig;
import java.util.Vector;
public class SimplePart extends BasicPart
{
SimplePart(String name, String description, double price)
{
    super(name, description, price);
}

public void addPart(Part part) throws NotACompositeException
{
    throw new NotACompositeException();
}

public void removePart(Part part) throws NotACompositeException
{
    throw new NotACompositeException();
}

}