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<title>javassist (Javassist API)</title>
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<h1 title="Package" class="title">Package&nbsp;javassist</h1>
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<div class="block">The Javassist Core API.

<p>Javassist (<i>Java</i> programming <i>assist</i>ant) makes bytecode
engineering simple.  It is a class library for editing
bytecode in Java; it enables Java programs to define a new class at
runtime and to modify a given class file when the JVM loads it.

<p>The most significant class of this package is <code>CtClass</code>.
See the description of this class first.

<p>To know the version number of this package, type the following command:

<pre>
java -jar javassist.jar
</pre>

<p>It prints the version number on the console.</div>
</section>
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<th class="colFirst" scope="col">Interface</th>
<th class="colLast" scope="col">Description</th>
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<th class="colFirst" scope="row"><a href="ClassPath.html" title="interface in javassist">ClassPath</a></th>
<td class="colLast">
<div class="block"><code>ClassPath</code> is an interface implemented by objects
 representing a class search path.</div>
</td>
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<tr class="rowColor">
<th class="colFirst" scope="row"><a href="CodeConverter.ArrayAccessReplacementMethodNames.html" title="interface in javassist">CodeConverter.ArrayAccessReplacementMethodNames</a></th>
<td class="colLast">
<div class="block">Interface containing the method names to be used
 as array access replacements.</div>
</td>
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<tr class="altColor">
<th class="colFirst" scope="row"><a href="Translator.html" title="interface in javassist">Translator</a></th>
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<div class="block">An observer of <code>Loader</code>.</div>
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<caption><span>Class Summary</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
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<th class="colFirst" scope="row"><a href="ByteArrayClassPath.html" title="class in javassist">ByteArrayClassPath</a></th>
<td class="colLast">
<div class="block">A <code>ByteArrayClassPath</code> contains bytes that is served as
 a class file to a <code>ClassPool</code>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="ClassClassPath.html" title="class in javassist">ClassClassPath</a></th>
<td class="colLast">
<div class="block">A search-path for obtaining a class file
 by <code>getResourceAsStream()</code> in <code>java.lang.Class</code>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="ClassMap.html" title="class in javassist">ClassMap</a></th>
<td class="colLast">
<div class="block">A hash table associating class names with different names.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="ClassPool.html" title="class in javassist">ClassPool</a></th>
<td class="colLast">
<div class="block">A container of <code>CtClass</code> objects.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="CodeConverter.html" title="class in javassist">CodeConverter</a></th>
<td class="colLast">
<div class="block">Simple translator of method bodies
 (also see the <code>javassist.expr</code> package).</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="CodeConverter.DefaultArrayAccessReplacementMethodNames.html" title="class in javassist">CodeConverter.DefaultArrayAccessReplacementMethodNames</a></th>
<td class="colLast">
<div class="block">Default implementation of the <code>ArrayAccessReplacementMethodNames</code>
 interface giving default values for method names to be used for replacing
 accesses to array elements.</div>
</td>
</tr>
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<th class="colFirst" scope="row"><a href="CtBehavior.html" title="class in javassist">CtBehavior</a></th>
<td class="colLast">
<div class="block"><code>CtBehavior</code> represents a method, a constructor,
 or a static constructor (class initializer).</div>
</td>
</tr>
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<th class="colFirst" scope="row"><a href="CtClass.html" title="class in javassist">CtClass</a></th>
<td class="colLast">
<div class="block">An instance of <code>CtClass</code> represents a class.</div>
</td>
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<th class="colFirst" scope="row"><a href="CtConstructor.html" title="class in javassist">CtConstructor</a></th>
<td class="colLast">
<div class="block">An instance of CtConstructor represents a constructor.</div>
</td>
</tr>
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<th class="colFirst" scope="row"><a href="CtField.html" title="class in javassist">CtField</a></th>
<td class="colLast">
<div class="block">An instance of CtField represents a field.</div>
</td>
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<th class="colFirst" scope="row"><a href="CtField.Initializer.html" title="class in javassist">CtField.Initializer</a></th>
<td class="colLast">
<div class="block">Instances of this class specify how to initialize a field.</div>
</td>
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<th class="colFirst" scope="row"><a href="CtMember.html" title="class in javassist">CtMember</a></th>
<td class="colLast">
<div class="block">An instance of <code>CtMember</code> represents a field, a constructor,
 or a method.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="CtMethod.html" title="class in javassist">CtMethod</a></th>
<td class="colLast">
<div class="block">An instance of <code>CtMethod</code> represents a method.</div>
</td>
</tr>
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<th class="colFirst" scope="row"><a href="CtMethod.ConstParameter.html" title="class in javassist">CtMethod.ConstParameter</a></th>
<td class="colLast">
<div class="block">Instances of this class represent a constant parameter.</div>
</td>
</tr>
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<th class="colFirst" scope="row"><a href="CtNewConstructor.html" title="class in javassist">CtNewConstructor</a></th>
<td class="colLast">
<div class="block">A collection of static methods for creating a <code>CtConstructor</code>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="CtNewMethod.html" title="class in javassist">CtNewMethod</a></th>
<td class="colLast">
<div class="block">A collection of static methods for creating a <code>CtMethod</code>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="CtPrimitiveType.html" title="class in javassist">CtPrimitiveType</a></th>
<td class="colLast">
<div class="block">An instance of <code>CtPrimitiveType</code> represents a primitive type.</div>
</td>
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<th class="colFirst" scope="row"><a href="Loader.html" title="class in javassist">Loader</a></th>
<td class="colLast">
<div class="block">The class loader for Javassist.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="Loader.Simple.html" title="class in javassist">Loader.Simple</a></th>
<td class="colLast">
<div class="block">A simpler class loader.</div>
</td>
</tr>
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<th class="colFirst" scope="row"><a href="LoaderClassPath.html" title="class in javassist">LoaderClassPath</a></th>
<td class="colLast">
<div class="block">A class search-path representing a class loader.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="Modifier.html" title="class in javassist">Modifier</a></th>
<td class="colLast">
<div class="block">The Modifier class provides static methods and constants to decode
 class and member access modifiers.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="SerialVersionUID.html" title="class in javassist">SerialVersionUID</a></th>
<td class="colLast">
<div class="block">Utility for calculating serialVersionUIDs for Serializable classes.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="URLClassPath.html" title="class in javassist">URLClassPath</a></th>
<td class="colLast">
<div class="block">A class search-path specified with URL (http).</div>
</td>
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<caption><span>Exception Summary</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Exception</th>
<th class="colLast" scope="col">Description</th>
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<th class="colFirst" scope="row"><a href="CannotCompileException.html" title="class in javassist">CannotCompileException</a></th>
<td class="colLast">
<div class="block">Thrown when bytecode transformation has failed.</div>
</td>
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<th class="colFirst" scope="row"><a href="NotFoundException.html" title="class in javassist">NotFoundException</a></th>
<td class="colLast">
<div class="block">Signals that something could not be found.</div>
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