# | Line 21 | Line 21 | package java.util; | |
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21 | * insertion of <tt>null</tt> elements, along with methods {@link | |
22 | * Queue#peek}, {@link Queue#poll}, {@link Collection#size}, and a | |
23 | * {@link Collection#iterator} supporting {@link | |
24 | < | * Iterator#remove}. Typically, additional methods will be overriden |
24 | > | * Iterator#remove}. Typically, additional methods will be overridden |
25 | * as well. If these requirements cannot be met, consider instead | |
26 | * subclassing {@link AbstractCollection}. | |
27 | * |
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