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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_02) on Wed Mar 22 19:19:14 PST 2006 --><TITLE>java.lang (Java Card API and Subsets)</TITLE><META NAME="keywords" CONTENT="java.lang package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="java.lang (Java Card API and Subsets)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <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="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-use.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </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><b>Java Card </b><br><font size="-1">v2.2.2</font></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../java/io/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../java/rmi/package-summary.html"><B>NEXT PACKAGE</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?java/lang/package-summary.html" target="_top"><B>FRAMES</B></A> <A HREF="package-summary.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><H2>Package java.lang</H2>Provides classes that are fundamental to the design of the Java Card technology
subset of the Java programming language.<P><B>See:</B><BR> <A HREF="#package_description"><B>Description</B></A><P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Class Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/Object.html" title="class in java.lang">Object</A></B></TD><TD>Class <code>Object</code> is the root of the Java Card platform class hierarchy.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/Throwable.html" title="class in java.lang">Throwable</A></B></TD><TD>The Throwable class is the superclass of all errors and exceptions in the Java Card platform's subset of the Java programming language.</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Exception Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/ArithmeticException.html" title="class in java.lang">ArithmeticException</A></B></TD><TD>A Java Card runtime environment-owned instance of <code>ArithmeticException</code> is thrown when an exceptional arithmetic condition has occurred.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/ArrayIndexOutOfBoundsException.html" title="class in java.lang">ArrayIndexOutOfBoundsException</A></B></TD><TD>A Java Card runtime environment-owned instance of <code>ArrayIndexOutOfBoundsException</code> is thrown to indicate that an array has been accessed with an illegal index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/ArrayStoreException.html" title="class in java.lang">ArrayStoreException</A></B></TD><TD>A Java Card runtime environment-owned instance of <code>ArrayStoreException</code> is thrown to indicate that an attempt has been made to store the wrong type of object into an array of objects.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/ClassCastException.html" title="class in java.lang">ClassCastException</A></B></TD><TD>A Java Card runtime environment-owned instance of <code>ClassCastException</code> is thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/Exception.html" title="class in java.lang">Exception</A></B></TD><TD>The class <code>Exception</code> and its subclasses are a form of <code>Throwable</code> that indicate conditions that a reasonable applet might want to catch.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/IndexOutOfBoundsException.html" title="class in java.lang">IndexOutOfBoundsException</A></B></TD><TD>A Java Card runtime environment-owned instance of <code>IndexOutOfBoundsException</code> is thrown to indicate that an index of some sort (such as to an array) is out of range.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/NegativeArraySizeException.html" title="class in java.lang">NegativeArraySizeException</A></B></TD><TD>A Java Card runtime environment-owned instance of <code>NegativeArraySizeException</code> is thrown if an applet tries to create an array with negative size.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</A></B></TD><TD>A Java Card runtime environment-owned instance of <code>NullPointerException</code> is thrown when an applet attempts to use <code>null</code> in a case where an object is required.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/RuntimeException.html" title="class in java.lang">RuntimeException</A></B></TD><TD><code>RuntimeException</code> is the superclass of those exceptions that can be thrown during the normal operation of the Java Card Virtual Machine.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../java/lang/SecurityException.html" title="class in java.lang">SecurityException</A></B></TD><TD>A Java Card runtime environment-owned instance of <code>SecurityException</code> is thrown by the Java Card Virtual Machine to indicate a security violation.</TD></TR></TABLE> <P><A NAME="package_description"><!-- --></A><H2>Package java.lang Description</H2><P><p>Provides classes that are fundamental to the design of the Java Card technology
subset of the Java programming language. The classes in this package are derived
from <tt>java.lang</tt> in the standard Java programming language and represent
the core functionality required by the Java Card Virtual Machine. This core
functionality is represented by the <tt>Object</tt> class, which is the base
class for all Java language classes and the <tt>Throwable</tt> class, which
is the base class for the exception and runtime exception classes. </p>
<p>The exceptions and runtime exceptions that are included in this package are
those that can be thrown by the Java Card Virtual Machine. They represent only
a subset of the exceptions available in <tt>java.lang</tt> in the standard Java
programming language. </p><P><P><DL></DL><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <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="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-use.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </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><b>Java Card </b><br><font size="-1">v2.2.2</font></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../java/io/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../java/rmi/package-summary.html"><B>NEXT PACKAGE</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?java/lang/package-summary.html" target="_top"><B>FRAMES</B></A> <A HREF="package-summary.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR><i>Copyright © 1993-2005 Sun Microsystems, Inc. 4150 Network Circle,<br>Santa Clara, CA, 95054, U.S.A. All Rights Reserved.</i></BODY></HTML>⌨️ 快捷键说明
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