Examples of java.util.HashSet.clone()

java.util.HashSet.clone()
Returns a shallow copy of this HashSet instance: the elements themselves are not cloned. @return a shallow copy of this set

    HashSet newSelectionSet = new HashSet();
    for (int i = 0; i < newSelection.length; i++)
    {
      newSelectionSet.add(newSelection[i]);
    }
    final Set newToUpdate = (Set)newSelectionSet.clone();
    newToUpdate.removeAll(oldSelectionSet);
    final Set oldToUpdate = (Set)oldSelectionSet.clone();
    oldToUpdate.removeAll(newSelectionSet);
    newToUpdate.addAll(oldToUpdate);
    return newToUpdate;

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     * properties of this node.
     */
    public synchronized void setPropertyNames(Set propNames) {
        if (propNames instanceof HashSet) {
            HashSet names = (HashSet) propNames;
            propertyNames = (HashSet) names.clone();
            sharedPropertyNames = false;
        } else {
            if (sharedPropertyNames) {
                propertyNames = new HashSet();
                sharedPropertyNames = false;

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