stack.html

学习JAVA的很好的JAVA包和文档包

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<TD><CODE><A HREF="../structure/Structure.html#clear()">clear</A>, <A HREF="../structure/Structure.html#contains(java.lang.Object)">contains</A>, <A HREF="../structure/Structure.html#elements()">elements</A>, <A HREF="../structure/Structure.html#isEmpty()">isEmpty</A>, <A HREF="../structure/Structure.html#iterator()">iterator</A>, <A HREF="../structure/Structure.html#remove(java.lang.Object)">remove</A>, <A HREF="../structure/Structure.html#values()">values</A></CODE></TD>
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<B>Method Detail</B></FONT></TD>
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<A NAME="add(java.lang.Object)"><!-- --></A><H3>
add</H3>
<PRE>
public void <B>add</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;item)</PRE>
<DL>
<DD>Add an element from the top of the stack.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Linear.html#add(java.lang.Object)">add</A></CODE> in interface <CODE><A HREF="../structure/Linear.html">Linear</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>item</CODE> - The element to be added to the stack top.<DT><B>Postcondition:</B><DD>item is added to stack
       will be popped next if no intervening add<DT><B>See Also: </B><DD><A HREF="../structure/Stack.html#push(java.lang.Object)"><CODE>push(java.lang.Object)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="push(java.lang.Object)"><!-- --></A><H3>
push</H3>
<PRE>
public void <B>push</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;item)</PRE>
<DL>
<DD>Add an element to top of stack.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>item</CODE> - The value to be added to the top of the stack.<DT><B>Postcondition:</B><DD>item is added to stack
       will be popped next if no intervening push</DL>
</DD>
</DL>
<HR>

<A NAME="remove()"><!-- --></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>()</PRE>
<DL>
<DD>Remove an element from the top of the stack.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Linear.html#remove()">remove</A></CODE> in interface <CODE><A HREF="../structure/Linear.html">Linear</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Precondition:</B><DD>stack is not empty<DT><B>Postcondition:</B><DD>most recently added item is removed and returned<DT><B>Returns:</B><DD>The item removed from the top of the stack.<DT><B>See Also: </B><DD><A HREF="../structure/Stack.html#pop()"><CODE>pop()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="pop()"><!-- --></A><H3>
pop</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> <B>pop</B>()</PRE>
<DL>
<DD>Remove an element from the top of the stack.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Precondition:</B><DD>stack is not empty<DT><B>Postcondition:</B><DD>most recently pushed item is removed and returned<DT><B>Returns:</B><DD>A reference to the removed element.</DL>
</DD>
</DL>
<HR>

<A NAME="get()"><!-- --></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>()</PRE>
<DL>
<DD>Fetch a reference to the top element of the stack.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Linear.html#get()">get</A></CODE> in interface <CODE><A HREF="../structure/Linear.html">Linear</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Precondition:</B><DD>stack is not empty<DT><B>Postcondition:</B><DD>top value (next to be popped) is returned<DT><B>Returns:</B><DD>A reference to the top element of the stack.</DL>
</DD>
</DL>
<HR>

<A NAME="getFirst()"><!-- --></A><H3>
getFirst</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> <B>getFirst</B>()</PRE>
<DL>
<DD>Fetch a reference to the top element of the stack.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Precondition:</B><DD>stack is not empty<DT><B>Postcondition:</B><DD>top value (next to be popped) is returned<DT><B>Returns:</B><DD>A reference to the top element of the stack.</DL>
</DD>
</DL>
<HR>

<A NAME="peek()"><!-- --></A><H3>
peek</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> <B>peek</B>()</PRE>
<DL>
<DD>Fetch a reference to the top element of the stack.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Precondition:</B><DD>stack is not empty<DT><B>Postcondition:</B><DD>top value (next to be popped) is returned<DT><B>Returns:</B><DD>A reference to the top element of the stack.</DL>
</DD>
</DL>
<HR>

<A NAME="empty()"><!-- --></A><H3>
empty</H3>
<PRE>
public boolean <B>empty</B>()</PRE>
<DL>
<DD>Returns true iff the stack is empty.  Provided for
 compatibility with java.util.Vector.empty.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Linear.html#empty()">empty</A></CODE> in interface <CODE><A HREF="../structure/Linear.html">Linear</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns true if and only if the stack is empty<DT><B>Returns:</B><DD>True iff the stack is empty.</DL>
</DD>
</DL>
<HR>

<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
public int <B>size</B>()</PRE>
<DL>
<DD>Returns the number of elements in the stack.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../structure/Linear.html#size()">size</A></CODE> in interface <CODE><A HREF="../structure/Linear.html">Linear</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns the number of elements in the stack<DT><B>Returns:</B><DD>number of elements in stack.</DL>
</DD>
</DL>
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