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package java.util;
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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