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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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/RuntimeException.html" title="class in java.lang">RuntimeException</A></B></CODE><BR> <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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/SecurityException.html" title="class in java.lang">SecurityException</A></B></CODE><BR> 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><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/Throwable.html" title="class in java.lang">Throwable</A></B></CODE><BR> 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="TableSubHeadingColor"><TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../java/lang/package-summary.html">java.lang</A> with parameters of type <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B>Object.</B><B><A HREF="../../../java/lang/Object.html#equals(java.lang.Object)">equals</A></B>(<A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A> obj)</CODE><BR> Compares two Objects for equality.</TD></TR></TABLE> <P><A NAME="java.rmi"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">Uses of <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A> in <A HREF="../../../java/rmi/package-summary.html">java.rmi</A></FONT></TH></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A> in <A HREF="../../../java/rmi/package-summary.html">java.rmi</A></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/rmi/RemoteException.html" title="class in java.rmi">RemoteException</A></B></CODE><BR> A Java Card runtime environment-owned instance of <code>RemoteException</code> is thrown to indicate that a communication-related exception has occurred during the execution of a remote method call.</TD></TR></TABLE> <P><A NAME="javacard.framework"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">Uses of <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A> in <A HREF="../../../javacard/framework/package-summary.html">javacard.framework</A></FONT></TH></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A> in <A HREF="../../../javacard/framework/package-summary.html">javacard.framework</A></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/AID.html" title="class in javacard.framework">AID</A></B></CODE><BR> This class encapsulates the Application Identifier (AID) associated with an applet.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/APDU.html" title="class in javacard.framework">APDU</A></B></CODE><BR> Application Protocol Data Unit (APDU) is the communication format between the card and the off-card applications.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/APDUException.html" title="class in javacard.framework">APDUException</A></B></CODE><BR> <code>APDUException</code> represents an <code>APDU</code> related exception.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/Applet.html" title="class in javacard.framework">Applet</A></B></CODE><BR> This abstract class defines an Java Card technology-based applet.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/CardException.html" title="class in javacard.framework">CardException</A></B></CODE><BR> The <code>CardException</code> class defines a field <code>reason </code>and two accessor methods <code> getReason()</code> and <code>setReason()</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/CardRuntimeException.html" title="class in javacard.framework">CardRuntimeException</A></B></CODE><BR> The <code>CardRuntimeException</code> class defines a field <code>reason </code>and two accessor methods <code> getReason()</code> and <code>setReason()</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/ISOException.html" title="class in javacard.framework">ISOException</A></B></CODE><BR> <code>ISOException</code> class encapsulates an ISO 7816-4 response status word as its <code>reason</code> code.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/JCSystem.html" title="class in javacard.framework">JCSystem</A></B></CODE><BR> The <code>JCSystem</code> class includes a collection of methods to control applet execution, resource management, atomic transaction management, object deletion mechanism and inter-applet object sharing in the Java Card environment.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/OwnerPIN.html" title="class in javacard.framework">OwnerPIN</A></B></CODE><BR> This class represents an Owner PIN, implements Personal Identification Number functionality as defined in the <code>PIN</code> interface, and provides the ability to update the PIN and thus owner functionality.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/PINException.html" title="class in javacard.framework">PINException</A></B></CODE><BR> <code>PINException</code> represents a <code>OwnerPIN</code> class access-related exception.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/SystemException.html" title="class in javacard.framework">SystemException</A></B></CODE><BR> <code>SystemException</code> represents a <code>JCSystem</code> class related exception.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/TransactionException.html" title="class in javacard.framework">TransactionException</A></B></CODE><BR> <code>TransactionException</code> represents an exception in the transaction subsystem.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/UserException.html" title="class in javacard.framework">UserException</A></B></CODE><BR> <code>UserException</code> represents a User exception.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacard/framework/Util.html" title="class in javacard.framework">Util</A></B></CODE><BR> The <code>Util</code> class contains common utility functions.</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../javacard/framework/package-summary.html">javacard.framework</A> that return <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A>[]</CODE></FONT></TD><TD><CODE><B>JCSystem.</B><B><A HREF="../../../javacard/framework/JCSystem.html#makeTransientObjectArray(short, byte)">makeTransientObjectArray</A></B>(short length, byte event)</CODE><BR> Creates a transient array of <code>Object</code> with the specified array length.</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../javacard/framework/package-summary.html">javacard.framework</A> with parameters of type <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B>AID.</B><B><A HREF="../../../javacard/framework/AID.html#equals(java.lang.Object)">equals</A></B>(<A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A> anObject)</CODE><BR> Compares the AID bytes in <code>this</code> <code>AID</code> instance to the AID bytes in the specified object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static byte</CODE></FONT></TD><TD><CODE><B>JCSystem.</B><B><A HREF="../../../javacard/framework/JCSystem.html#isTransient(java.lang.Object)">isTransient</A></B>(<A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A> theObj)</CODE><BR> Checks if the specified object is transient.</TD></TR></TABLE> <P><A NAME="javacard.framework.service"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">Uses of <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A> in <A HREF="../../../javacard/framework/service/package-summary.html">javacard.framework.service</A></FONT></TH></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">⌨️ 快捷键说明
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