| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"> |
| <!--NewPage--> |
| <HTML> |
| <HEAD> |
| <!-- Generated by javadoc on Fri Jun 15 16:53:37 PDT 2001 --> |
| <TITLE> |
| Apache Struts API Documentation: Class ArrayStack |
| </TITLE> |
| <LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"> |
| </HEAD> |
| <BODY BGCOLOR="white"> |
| |
| <!-- ========== START OF NAVBAR ========== --> |
| <A NAME="navbar_top"><!-- --></A> |
| <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"> |
| <TR> |
| <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> |
| <A NAME="navbar_top_firstrow"><!-- --></A> |
| <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> |
| <TR ALIGN="center" VALIGN="top"> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> |
| <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> |
| </TR> |
| </TABLE> |
| </TD> |
| <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> |
| </EM> |
| </TD> |
| </TR> |
| |
| <TR> |
| <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
| PREV CLASS |
| <A HREF="../../../../org/apache/struts/util/BeanUtils.html"><B>NEXT CLASS</B></A></FONT></TD> |
| <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
| <A HREF="../../../../index.html" TARGET="_top"><B>FRAMES</B></A> |
| <A HREF="ArrayStack.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD> |
| </TR> |
| <TR> |
| <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
| SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> |
| <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
| DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> |
| </TR> |
| </TABLE> |
| <!-- =========== END OF NAVBAR =========== --> |
| |
| <HR> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <H2> |
| <FONT SIZE="-1"> |
| org.apache.struts.util</FONT> |
| <BR> |
| Class ArrayStack</H2> |
| <PRE> |
| java.lang.Object |
| | |
| +--<B>org.apache.struts.util.ArrayStack</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT>public class <B>ArrayStack</B><DT>extends java.lang.Object<DT>implements java.io.Serializable</DL> |
| |
| <P> |
| Implementation of the <code>java.util.Stack</code> API that is based on |
| an <code>ArrayList</code> rather than a <code>Vector</code>. This means |
| no synchronization locks are utilized internally, so you must synchronize |
| externally if an instance is referenced from multiple threads. |
| <P> |
| <DL> |
| <DT><B>Version: </B><DD>$Revision: 1.1 $ $Date$</DD> |
| <DT><B>Author: </B><DD>Craig R. McClanahan</DD> |
| <DT><B>See Also: </B><DD><A HREF="../../../../serialized-form.html#org.apache.struts.util.ArrayStack">Serialized Form</A></DL> |
| <HR> |
| |
| <P> |
| <!-- ======== INNER CLASS SUMMARY ======== --> |
| |
| |
| <!-- =========== FIELD SUMMARY =========== --> |
| |
| <A NAME="field_summary"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=2><FONT SIZE="+2"> |
| <B>Field Summary</B></FONT></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected java.util.ArrayList</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/util/ArrayStack.html#list">list</A></B></CODE> |
| |
| <BR> |
| The underlying collection class.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_summary"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=2><FONT SIZE="+2"> |
| <B>Constructor Summary</B></FONT></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/util/ArrayStack.html#ArrayStack()">ArrayStack</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=2><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/util/ArrayStack.html#clear()">clear</A></B>()</CODE> |
| |
| <BR> |
| Remove all elements from this stack.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/util/ArrayStack.html#empty()">empty</A></B>()</CODE> |
| |
| <BR> |
| Return <code>true</code> if this stack is currently empty.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> java.lang.Object</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/util/ArrayStack.html#peek()">peek</A></B>()</CODE> |
| |
| <BR> |
| Return the top item off of this stack without removing it.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> java.lang.Object</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/util/ArrayStack.html#peek(int)">peek</A></B>(int n)</CODE> |
| |
| <BR> |
| Return the n'th item down (zero-relative) from the top of this |
| stack without removing it.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> java.lang.Object</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/util/ArrayStack.html#pop()">pop</A></B>()</CODE> |
| |
| <BR> |
| Pop the top item off of this stack and return it.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> java.lang.Object</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/util/ArrayStack.html#push(java.lang.Object)">push</A></B>(java.lang.Object item)</CODE> |
| |
| <BR> |
| Push a new item onto the top of this stack.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/struts/util/ArrayStack.html#size()">size</A></B>()</CODE> |
| |
| <BR> |
| Return the number of items on this stack.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TD><B>Methods inherited from class java.lang.Object</B></TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><clinit>, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait</CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_detail"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=1><FONT SIZE="+2"> |
| <B>Field Detail</B></FONT></TD> |
| </TR> |
| </TABLE> |
| |
| <A NAME="list"><!-- --></A><H3> |
| list</H3> |
| <PRE> |
| protected java.util.ArrayList <B>list</B></PRE> |
| <DL> |
| <DD>The underlying collection class.</DL> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_detail"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=1><FONT SIZE="+2"> |
| <B>Constructor Detail</B></FONT></TD> |
| </TR> |
| </TABLE> |
| |
| <A NAME="ArrayStack()"><!-- --></A><H3> |
| ArrayStack</H3> |
| <PRE> |
| public <B>ArrayStack</B>()</PRE> |
| <DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TD COLSPAN=1><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TD> |
| </TR> |
| </TABLE> |
| |
| <A NAME="clear()"><!-- --></A><H3> |
| clear</H3> |
| <PRE> |
| public void <B>clear</B>()</PRE> |
| <DL> |
| <DD>Remove all elements from this stack. After this call, the stack will |
| be empty.<DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="empty()"><!-- --></A><H3> |
| empty</H3> |
| <PRE> |
| public boolean <B>empty</B>()</PRE> |
| <DL> |
| <DD>Return <code>true</code> if this stack is currently empty.<DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="peek()"><!-- --></A><H3> |
| peek</H3> |
| <PRE> |
| public java.lang.Object <B>peek</B>() |
| throws java.util.EmptyStackException</PRE> |
| <DL> |
| <DD>Return the top item off of this stack without removing it.<DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Throws:</B><DD><CODE>EmptyStackExceptino</CODE> - if the stack is empty</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="peek(int)"><!-- --></A><H3> |
| peek</H3> |
| <PRE> |
| public java.lang.Object <B>peek</B>(int n) |
| throws java.util.EmptyStackException</PRE> |
| <DL> |
| <DD>Return the n'th item down (zero-relative) from the top of this |
| stack without removing it.<DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>n</CODE> - Number of items down to go<DT><B>Throws:</B><DD><CODE>java.util.EmptyStackException</CODE> - if there are not enough items on the |
| stack to satisfy this request</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="pop()"><!-- --></A><H3> |
| pop</H3> |
| <PRE> |
| public java.lang.Object <B>pop</B>() |
| throws java.util.EmptyStackException</PRE> |
| <DL> |
| <DD>Pop the top item off of this stack and return it.<DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Throws:</B><DD><CODE>java.util.EmptyStackException</CODE> - if the stack is empty</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="push(java.lang.Object)"><!-- --></A><H3> |
| push</H3> |
| <PRE> |
| public java.lang.Object <B>push</B>(java.lang.Object item)</PRE> |
| <DL> |
| <DD>Push a new item onto the top of this stack. The pushed item is also |
| returned.<DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>item</CODE> - Item to be added</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="size()"><!-- --></A><H3> |
| size</H3> |
| <PRE> |
| public int <B>size</B>()</PRE> |
| <DL> |
| <DD>Return the number of items on this stack.<DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <!-- ========= END OF CLASS DATA ========= --> |
| <HR> |
| |
| <!-- ========== START OF NAVBAR ========== --> |
| <A NAME="navbar_bottom"><!-- --></A> |
| <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"> |
| <TR> |
| <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> |
| <A NAME="navbar_bottom_firstrow"><!-- --></A> |
| <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> |
| <TR ALIGN="center" VALIGN="top"> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> |
| <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> |
| <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> |
| </TR> |
| </TABLE> |
| </TD> |
| <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> |
| </EM> |
| </TD> |
| </TR> |
| |
| <TR> |
| <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
| PREV CLASS |
| <A HREF="../../../../org/apache/struts/util/BeanUtils.html"><B>NEXT CLASS</B></A></FONT></TD> |
| <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> |
| <A HREF="../../../../index.html" TARGET="_top"><B>FRAMES</B></A> |
| <A HREF="ArrayStack.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD> |
| </TR> |
| <TR> |
| <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
| SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> |
| <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> |
| DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> |
| </TR> |
| </TABLE> |
| <!-- =========== END OF NAVBAR =========== --> |
| |
| <HR> |
| Copyright © 2000-2001 - Apache Software Foundation |
| </BODY> |
| </HTML> |
