AbstractCellTesting.java

package com.testing.client;

import java.util.HashSet;
import java.util.Set;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.KeyDownEvent;
import com.google.gwt.event.shared.GwtEvent;

public class TestingClass {

    private static abstract class AbstractCell {

        private Set<Class<? extends GwtEvent>> consumedEvents = new HashSet<Class<? extends GwtEvent>>();

        public AbstractCell(Class<? extends GwtEvent>... events) {
            for (Class<? extends GwtEvent> event : events) {
                consumedEvents.add(event);
            }
        }
    }

    private static class TestCell extends AbstractCell {

        public TestCell() {
            super(ClickEvent.class, KeyDownEvent.class);
        }
    }
}