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<!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 Thu Apr 27 23:35:24 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Class Constructor</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="class-use/Constructor.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-files/index-1.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<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../java/lang/reflect/Array.html"><B>PREV CLASS</B></A> <A HREF="../../../java/lang/reflect/Field.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="Constructor.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">java.lang.reflect</FONT><BR>Class Constructor</H2><PRE><A HREF="../../../java/lang/Object.html">java.lang.Object</A> | +--<A HREF="../../../java/lang/reflect/AccessibleObject.html">java.lang.reflect.AccessibleObject</A> | +--<B>java.lang.reflect.Constructor</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../java/lang/reflect/Member.html">Member</A></DD></DL><HR><DL><DT>public final class <B>Constructor</B><DT>extends <A HREF="../../../java/lang/reflect/AccessibleObject.html">AccessibleObject</A><DT>implements <A HREF="../../../java/lang/reflect/Member.html">Member</A></DL><P><code>Constructor</code> provides information about, and access to, a single constructor for a class. <p><code>Constructor</code> permits widening conversions to occur when matching the actual parameters to newInstance() with the underlying constructor's formal parameters, but throws an <code>IllegalArgumentException</code> if a narrowing conversion would occur.<P><DL><DT><B>See Also: </B><DD><A HREF="../../../java/lang/reflect/Member.html"><CODE>Member</CODE></A>, <A HREF="../../../java/lang/Class.html"><CODE>Class</CODE></A>, <A HREF="../../../java/lang/Class.html#getConstructors()"><CODE>Class.getConstructors()</CODE></A>, <A HREF="../../../java/lang/Class.html#getConstructor(java.lang.Class[])"><CODE>Class.getConstructor(Class[])</CODE></A>, <A HREF="../../../java/lang/Class.html#getDeclaredConstructors()"><CODE>Class.getDeclaredConstructors()</CODE></A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="fields_inherited_from_class_java.lang.reflect.Member"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface java.lang.reflect.<A HREF="../../../java/lang/reflect/Member.html">Member</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../java/lang/reflect/Member.html#DECLARED">DECLARED</A>, <A HREF="../../../java/lang/reflect/Member.html#PUBLIC">PUBLIC</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== 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> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/reflect/Constructor.html#equals(java.lang.Object)">equals</A></B>(<A HREF="../../../java/lang/Object.html">Object</A> obj)</CODE><BR> Compares this <code>Constructor</code> against the specified object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../java/lang/Class.html">Class</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/reflect/Constructor.html#getDeclaringClass()">getDeclaringClass</A></B>()</CODE><BR> Returns the <code>Class</code> object representing the class that declares the constructor represented by this <code>Constructor</code> object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../java/lang/Class.html">Class</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/reflect/Constructor.html#getExceptionTypes()">getExceptionTypes</A></B>()</CODE><BR> Returns an array of <code>Class</code> objects that represent the types of of exceptions declared to be thrown by the underlying constructor represented by this <code>Constructor</code> object.</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="../../../java/lang/reflect/Constructor.html#getModifiers()">getModifiers</A></B>()</CODE><BR> Returns the Java language modifiers for the constructor represented by this <code>Constructor</code> object, as an integer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../java/lang/String.html">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/reflect/Constructor.html#getName()">getName</A></B>()</CODE><BR> Returns the name of this constructor, as a string.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../java/lang/Class.html">Class</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/reflect/Constructor.html#getParameterTypes()">getParameterTypes</A></B>()</CODE><BR> Returns an array of <code>Class</code> objects that represent the formal parameter types, in declaration order, of the constructor represented by this <code>Constructor</code> object.</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="../../../java/lang/reflect/Constructor.html#hashCode()">hashCode</A></B>()</CODE><BR> Returns a hashcode for this <code>Constructor</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../java/lang/Object.html">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/reflect/Constructor.html#newInstance(java.lang.Object[])">newInstance</A></B>(<A HREF="../../../java/lang/Object.html">Object</A>[] initargs)</CODE><BR> Uses the constructor represented by this <code>Constructor</code> object to create and initialize a new instance of the constructor's declaring class, with the specified initialization parameters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../java/lang/String.html">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../java/lang/reflect/Constructor.html#toString()">toString</A></B>()</CODE><BR> Returns a string describing this <code>Constructor</code>.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.reflect.AccessibleObject"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.reflect.<A HREF="../../../java/lang/reflect/AccessibleObject.html">AccessibleObject</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../java/lang/reflect/AccessibleObject.html#isAccessible()">isAccessible</A>, <A HREF="../../../java/lang/reflect/AccessibleObject.html#setAccessible(java.lang.reflect.AccessibleObject[], boolean)">setAccessible</A>, <A HREF="../../../java/lang/reflect/AccessibleObject.html#setAccessible(boolean)">setAccessible</A></CODE></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.<A HREF="../../../java/lang/Object.html">Object</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../java/lang/Object.html#clone()">clone</A>, <A HREF="../../../java/lang/Object.html#finalize()">finalize</A>, <A HREF="../../../java/lang/Object.html#getClass()">getClass</A>, <A HREF="../../../java/lang/Object.html#notify()">notify</A>, <A HREF="../../../java/lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="../../../java/lang/Object.html#wait()">wait</A>, <A HREF="../../../java/lang/Object.html#wait(long)">wait</A>, <A HREF="../../../java/lang/Object.html#wait(long, int)">wait</A></CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ 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="getDeclaringClass()"><!-- --></A><H3>getDeclaringClass</H3><PRE>public <A HREF="../../../java/lang/Class.html">Class</A> <B>getDeclaringClass</B>()</PRE><DL><DD>Returns the <code>Class</code> object representing the class that declares the constructor represented by this <code>Constructor</code> object.<DD><DL><DT><B>Specified by: </B><DD><CODE><A HREF="../../../java/lang/reflect/Member.html#getDeclaringClass()">getDeclaringClass</A></CODE> in interface <CODE><A HREF="../../../java/lang/reflect/Member.html">Member</A></CODE></DL></DD></DL>⌨️ 快捷键说明
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