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package java.util;
/**
* Title:
* Description:
* Copyright: Copyright (c) 2001
* Company:
* @version 1.0
*/
public abstract class AbstractSet extends AbstractCollection implements Set
{
protected AbstractSet()
{
}
public boolean equals(Object o)
{
if(this==o)
return true;
if(o==null)
return false;
if(!(o instanceof Set))
return false;
if(((Set)o).size()!=size())
return false;
return containsAll((Collection)o);
}
public int hashCode()
{
int hashCode=0;
Iterator it=iterator();
while(it.hasNext())
{
Object o=it.next();
if(o!=null)
hashCode+=o.hashCode();
}
return hashCode;
}
}
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