import java.util.AbstractList;
import java.util.ArrayList;

public class J9Bug {

	static class MyList extends AbstractList {
		ArrayList arrayList;
		
		MyList() {
			this.arrayList = new ArrayList();
		}
		
		/*
		 * @see List#get(int)
		 */
		public Object get(int index) {
			return this.arrayList.get(index);
		}
		
		public boolean add(Object o) {
			return this.arrayList.add(o);
		}

		public Object remove(int i) {
			return this.arrayList.remove(i);
		}
		
		/*
		 * @see Collection#size()
		 */
		public int size() {
			return this.arrayList.size();
		}
	}
	
	public static void main(String[] args) {
		MyList list = new MyList();
		list.add(new Object());
		list.add(new Object());
		list.add(new Object());
		list.add(new Object());
		list.add(new Object());
		list.clear();		
	}
}