bagadt.java

用数组实现的bingo游戏程序

package jss.bag;
import java.util.Iterator;

public interface BagADT {

  public void add(Object element);

  public void addAll(BagADT bag);

  public Object removeRandom();

  public Object remove(Object element);

  public BagADT union(BagADT set);

  public boolean contains(Object target);

  public boolean equals(BagADT bag);

  public boolean isEmpty();

  public int size();

  public Iterator iterator();

  public String toString();
}