1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<!-- NewPage --> 3<html lang="en"> 4<head> 5<!-- Generated by javadoc (1.8.0_162) on Tue Mar 24 11:44:39 PDT 2020 --> 6<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7<title>NoClass (jackson-databind 2.11.0.rc1 API)</title> 8<meta name="date" content="2020-03-24"> 9<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> 10<script type="text/javascript" src="../../../../../script.js"></script> 11</head> 12<body> 13<script type="text/javascript"><!-- 14 try { 15 if (location.href.indexOf('is-external=true') == -1) { 16 parent.document.title="NoClass (jackson-databind 2.11.0.rc1 API)"; 17 } 18 } 19 catch(err) { 20 } 21//--> 22</script> 23<noscript> 24<div>JavaScript is disabled on your browser.</div> 25</noscript> 26<!-- ========= START OF TOP NAVBAR ======= --> 27<div class="topNav"><a name="navbar.top"> 28<!-- --> 29</a> 30<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> 31<a name="navbar.top.firstrow"> 32<!-- --> 33</a> 34<ul class="navList" title="Navigation"> 35<li><a href="../../../../../overview-summary.html">Overview</a></li> 36<li><a href="package-summary.html">Package</a></li> 37<li class="navBarCell1Rev">Class</li> 38<li><a href="class-use/NoClass.html">Use</a></li> 39<li><a href="package-tree.html">Tree</a></li> 40<li><a href="../../../../../deprecated-list.html">Deprecated</a></li> 41<li><a href="../../../../../index-all.html">Index</a></li> 42<li><a href="../../../../../help-doc.html">Help</a></li> 43</ul> 44</div> 45<div class="subNav"> 46<ul class="navList"> 47<li><a href="../../../../../com/fasterxml/jackson/databind/annotation/JsonValueInstantiator.html" title="annotation in com.fasterxml.jackson.databind.annotation"><span class="typeNameLink">Prev Class</span></a></li> 48<li>Next Class</li> 49</ul> 50<ul class="navList"> 51<li><a href="../../../../../index.html?com/fasterxml/jackson/databind/annotation/NoClass.html" target="_top">Frames</a></li> 52<li><a href="NoClass.html" target="_top">No Frames</a></li> 53</ul> 54<ul class="navList" id="allclasses_navbar_top"> 55<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> 56</ul> 57<div> 58<script type="text/javascript"><!-- 59 allClassesLink = document.getElementById("allclasses_navbar_top"); 60 if(window==top) { 61 allClassesLink.style.display = "block"; 62 } 63 else { 64 allClassesLink.style.display = "none"; 65 } 66 //--> 67</script> 68</div> 69<div> 70<ul class="subNavList"> 71<li>Summary: </li> 72<li>Nested | </li> 73<li>Field | </li> 74<li>Constr | </li> 75<li><a href="#methods.inherited.from.class.java.lang.Object">Method</a></li> 76</ul> 77<ul class="subNavList"> 78<li>Detail: </li> 79<li>Field | </li> 80<li>Constr | </li> 81<li>Method</li> 82</ul> 83</div> 84<a name="skip.navbar.top"> 85<!-- --> 86</a></div> 87<!-- ========= END OF TOP NAVBAR ========= --> 88<!-- ======== START OF CLASS DATA ======== --> 89<div class="header"> 90<div class="subTitle">com.fasterxml.jackson.databind.annotation</div> 91<h2 title="Class NoClass" class="title">Class NoClass</h2> 92</div> 93<div class="contentContainer"> 94<ul class="inheritance"> 95<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> 96<li> 97<ul class="inheritance"> 98<li>com.fasterxml.jackson.databind.annotation.NoClass</li> 99</ul> 100</li> 101</ul> 102<div class="description"> 103<ul class="blockList"> 104<li class="blockList"> 105<hr> 106<br> 107<pre>public final class <span class="typeNameLabel">NoClass</span> 108extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> 109<div class="block">Marker class used with annotations to indicate "no class". This is 110 a silly but necessary work-around -- annotations cannot take nulls 111 as either default or explicit values. Hence for class values we must 112 explicitly use a bogus placeholder to denote equivalent of 113 "no class" (for which 'null' is usually the natural choice). 114<p> 115 Note that since 2.4, most (but not all! 116 <a href="http://fasterxml.github.io/jackson-annotations/javadoc/2.10/com/fasterxml/jackson/annotation/JsonTypeInfo.html?is-external=true#defaultImpl--" title="class or interface in com.fasterxml.jackson.annotation"><code>JsonTypeInfo.defaultImpl()</code></a> is 117 a notable exception}) usage should start using 118 <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang"><code>Void</code></a> instead as the "not defined" marker.</div> 119</li> 120</ul> 121</div> 122<div class="summary"> 123<ul class="blockList"> 124<li class="blockList"> 125<!-- ========== METHOD SUMMARY =========== --> 126<ul class="blockList"> 127<li class="blockList"><a name="method.summary"> 128<!-- --> 129</a> 130<h3>Method Summary</h3> 131<ul class="blockList"> 132<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> 133<!-- --> 134</a> 135<h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> 136<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> 137</ul> 138</li> 139</ul> 140</li> 141</ul> 142</div> 143</div> 144<!-- ========= END OF CLASS DATA ========= --> 145<!-- ======= START OF BOTTOM NAVBAR ====== --> 146<div class="bottomNav"><a name="navbar.bottom"> 147<!-- --> 148</a> 149<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> 150<a name="navbar.bottom.firstrow"> 151<!-- --> 152</a> 153<ul class="navList" title="Navigation"> 154<li><a href="../../../../../overview-summary.html">Overview</a></li> 155<li><a href="package-summary.html">Package</a></li> 156<li class="navBarCell1Rev">Class</li> 157<li><a href="class-use/NoClass.html">Use</a></li> 158<li><a href="package-tree.html">Tree</a></li> 159<li><a href="../../../../../deprecated-list.html">Deprecated</a></li> 160<li><a href="../../../../../index-all.html">Index</a></li> 161<li><a href="../../../../../help-doc.html">Help</a></li> 162</ul> 163</div> 164<div class="subNav"> 165<ul class="navList"> 166<li><a href="../../../../../com/fasterxml/jackson/databind/annotation/JsonValueInstantiator.html" title="annotation in com.fasterxml.jackson.databind.annotation"><span class="typeNameLink">Prev Class</span></a></li> 167<li>Next Class</li> 168</ul> 169<ul class="navList"> 170<li><a href="../../../../../index.html?com/fasterxml/jackson/databind/annotation/NoClass.html" target="_top">Frames</a></li> 171<li><a href="NoClass.html" target="_top">No Frames</a></li> 172</ul> 173<ul class="navList" id="allclasses_navbar_bottom"> 174<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> 175</ul> 176<div> 177<script type="text/javascript"><!-- 178 allClassesLink = document.getElementById("allclasses_navbar_bottom"); 179 if(window==top) { 180 allClassesLink.style.display = "block"; 181 } 182 else { 183 allClassesLink.style.display = "none"; 184 } 185 //--> 186</script> 187</div> 188<div> 189<ul class="subNavList"> 190<li>Summary: </li> 191<li>Nested | </li> 192<li>Field | </li> 193<li>Constr | </li> 194<li><a href="#methods.inherited.from.class.java.lang.Object">Method</a></li> 195</ul> 196<ul class="subNavList"> 197<li>Detail: </li> 198<li>Field | </li> 199<li>Constr | </li> 200<li>Method</li> 201</ul> 202</div> 203<a name="skip.navbar.bottom"> 204<!-- --> 205</a></div> 206<!-- ======== END OF BOTTOM NAVBAR ======= --> 207<p class="legalCopy"><small>Copyright © 2008–2020 <a href="http://fasterxml.com/">FasterXML</a>. 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