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*/ |
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package java.util; |
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import java.util.*; // for javadoc (till 6280605 is fixed) |
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/** |
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* A {@link SortedMap} extended with navigation methods returning the |
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* Methods <tt>navigableSubMap</tt>, <tt>navigableHeadMap</tt>, and |
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* <tt>navigableTailMap</tt> differ from the similarly named |
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* <tt>SortedMap</tt> methods only in their declared return types. |
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* Submaps of any <tt>NavigableMap</tt> must obey |
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* the <tt>NavigableMap</tt> interface. |
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* Submaps of any <tt>NavigableMap<tt> must implement the |
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* <tt>NavigableMap</tt> interface. |
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* |
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* <p>This interface additionally defines methods <tt>firstEntry</tt>, |
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* <tt>pollFirstEntry</tt>, <tt>lastEntry</tt>, and |