# | Line 12 | Line 12 | package java.util; | |
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12 | * exceptions instead of indicating failure via false or null returns. | |
13 | * The provided implementations all assume that the base implementation | |
14 | * does <em>not</em> allow <tt>null</tt> elements. | |
15 | + | * @since 1.5 |
16 | + | * @author Doug Lea |
17 | */ | |
18 | ||
19 | public abstract class AbstractQueue<E> extends AbstractCollection<E> implements Queue<E> { |
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