table.html

学习JAVA的很好的JAVA包和文档包

<A NAME="data"><!-- --></A><H3>
data</H3>
<PRE>
protected <A HREF="../structure/OrderedStructure.html">OrderedStructure</A> <B>data</B></PRE>
<DL>
<DD>An ordered structure that maintains the ComparableAssociations
 that store the key-value pairings.</DL>

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="Table()"><!-- --></A><H3>
Table</H3>
<PRE>
public <B>Table</B>()</PRE>
<DL>
<DD>Construct a new, empty table.</DL>
<HR>

<A NAME="Table(structure.Table)"><!-- --></A><H3>
Table</H3>
<PRE>
public <B>Table</B>(<A HREF="../structure/Table.html">Table</A>&nbsp;other)</PRE>
<DL>
</DL>

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<B>Method Detail</B></FONT></TD>
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<A NAME="get(java.lang.Object)"><!-- --></A><H3>
get</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> <B>get</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;key)</PRE>
<DL>
<DD>Retrieve the value associated with the key provided.
 Be aware, the value may be null.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#get(java.lang.Object)">get</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - The key of the key-value pair sought.<DT><B>Precondition:</B><DD>key is a non-null object<DT><B>Postcondition:</B><DD>returns value associated with key, or null<DT><B>Returns:</B><DD>The value associated with the key.</DL>
</DD>
</DL>
<HR>

<A NAME="put(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
put</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> <B>put</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;key,
                  <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;value)</PRE>
<DL>
<DD>Enter a key-value pair into the table.  if the key is already
 in the table, the old value is returned, and the old key-value
 pair is replaced.  Otherwise null is returned.  The user is cautioned
 that a null value returned may indicate there was no prior key-value
 pair, or --- if null values are inserted --- that the key was 
 previously associated with a null value.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#put(java.lang.Object, java.lang.Object)">put</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - The unique key in the table.<DD><CODE>value</CODE> - The (possibly null) value associated with key.<DT><B>Precondition:</B><DD>key is non-null object<DT><B>Postcondition:</B><DD>key-value pair is added to table<DT><B>Returns:</B><DD>The prior value, or null if no prior value found.</DL>
</DD>
</DL>
<HR>

<A NAME="isEmpty()"><!-- --></A><H3>
isEmpty</H3>
<PRE>
public boolean <B>isEmpty</B>()</PRE>
<DL>
<DD>Determine if the table is empty.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#isEmpty()">isEmpty</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns true iff table is empty<DT><B>Returns:</B><DD>True iff the table has no elements.</DL>
</DD>
</DL>
<HR>

<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
public void <B>clear</B>()</PRE>
<DL>
<DD>Remove all the elements of the table.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#clear()">clear</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>removes all elements from the table</DL>
</DD>
</DL>
<HR>

<A NAME="keys()"><!-- --></A><H3>
keys</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/Iterator.html">Iterator</A> <B>keys</B>()</PRE>
<DL>
<DD>Construct an iterator over the keys of the table.
 The order of the keys returned is in ascending order.  It will
 be consistent with that of the iterator from elements, provided
 the table is not modified.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns an iterator for traversing keys of table<DT><B>Returns:</B><DD>An iterator over the keys of the table.</DL>
</DD>
</DL>
<HR>

<A NAME="iterator()"><!-- --></A><H3>
iterator</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/Iterator.html">Iterator</A> <B>iterator</B>()</PRE>
<DL>
<DD>Construct an iterator over the values of the table.
 The order of the values returned is determined by order of keys. It will
 be consistent with that of the iterator returned from keys, provided
 the table is not modified.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns an iterator for traversing values in table<DT><B>Returns:</B><DD>An iterator over the values of the table.</DL>
</DD>
</DL>
<HR>

<A NAME="containsKey(java.lang.Object)"><!-- --></A><H3>
containsKey</H3>
<PRE>
public boolean <B>containsKey</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;key)</PRE>
<DL>
<DD>Determine if the key is in the table.  The key should
 not be null.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#containsKey(java.lang.Object)">containsKey</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - A non-null key sought in the table.<DT><B>Precondition:</B><DD>key is non-null object<DT><B>Postcondition:</B><DD>returns true iff key indexes a value in table<DT><B>Returns:</B><DD>True iff the key is used in association with some value.</DL>
</DD>
</DL>
<HR>

<A NAME="containsValue(java.lang.Object)"><!-- --></A><H3>
containsValue</H3>
<PRE>
public boolean <B>containsValue</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;value)</PRE>
<DL>
<DD>Returns true if the value is associated with some key in the
 table.  This is often difficult to implement efficiently.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#containsValue(java.lang.Object)">containsValue</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - The value sought (possibly null).<DT><B>Precondition:</B><DD>value is non-null object<DT><B>Postcondition:</B><DD>returns true iff value in table<DT><B>Returns:</B><DD>True, if the value is associated with some key in table.</DL>
</DD>
</DL>
<HR>

<A NAME="remove(java.lang.Object)"><!-- --></A><H3>
remove</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> <B>remove</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;key)</PRE>
<DL>
<DD>Remove a key-value pair, based on key.  The value is returned.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#remove(java.lang.Object)">remove</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - The key of the key-value pair to be removed.<DT><B>Precondition:</B><DD>key is non-null object<DT><B>Postcondition:</B><DD>removes value indexed in table<DT><B>Returns:</B><DD>The value associated with key, no longer in table.</DL>
</DD>
</DL>
<HR>

<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
public int <B>size</B>()</PRE>
<DL>
<DD>Determine the number of key-value pairs within the table.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#size()">size</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns number of key-value pairs in table<DT><B>Returns:</B><DD>The number of key-value pairs in the table.</DL>
</DD>
</DL>
<HR>

<A NAME="keySet()"><!-- --></A><H3>
keySet</H3>
<PRE>
public <A HREF="../structure/Set.html">Set</A> <B>keySet</B>()</PRE>
<DL>
<DD>Return a set containing the keys referenced
 by this data structure.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#keySet()">keySet</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>Returns a set containing the keys referenced
 by this data structure.<DT><B>Returns:</B><DD>a set containing the key referenced
 by this data structure.</DL>
</DD>
</DL>
<HR>

<A NAME="values()"><!-- --></A><H3>
values</H3>
<PRE>
public <A HREF="../structure/Structure.html">Structure</A> <B>values</B>()</PRE>
<DL>
<DD>Return a structure containing all the values referenced
 by this data structure.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#values()">values</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>Returns a structure containing all the values referenced
 by this data structure.<DT><B>Returns:</B><DD>a structure containing all the values referenced
 by this data structure.</DL>
</DD>
</DL>
<HR>

<A NAME="entrySet()"><!-- --></A><H3>
entrySet</H3>
<PRE>
public <A HREF="../structure/Set.html">Set</A> <B>entrySet</B>()</PRE>
<DL>
<DD>Return a structure containing all the entries in 
 this Table<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Map.html#entrySet()">entrySet</A></CODE> in interface <CODE><A HREF="../structure/Map.html">Map</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>Returns a structure containing all the entries in 
 this Table<DT><B>Returns:</B><DD>a structure containing all the entries in 
 this Table</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>toString</B>()</PRE>
<DL>
<DD>Construct a string representing value of table.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#toString()">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns string representation<DT><B>Returns:</B><DD>String representing table.</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A>[]&nbsp;argv)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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