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<!DOCTYPE HTML>
<!-- NewPage -->
<html lang="en">
<head>
<!-- Generated by javadoc -->
<title>VMID (Java SE 12 & JDK 12 )</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="keywords" content="java.rmi.dgc.VMID class">
<meta name="keywords" content="isUnique()">
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<h2 title="Class VMID" class="title">Class VMID</h2>
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<pre>public final class <span class="typeNameLabel">VMID</span>
extends <a href="../../../../java.base/java/lang/Object.html" title="class in java.lang">Object</a>
implements <a href="../../../../java.base/java/io/Serializable.html" title="interface in java.io">Serializable</a></pre>
<div class="block">A VMID is a identifier that is unique across all Java virtual
machines. VMIDs are used by the distributed garbage collector
to identify client VMs.</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../serialized-form.html#java.rmi.dgc.VMID">Serialized Form</a></dd>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">VMID</a></span>()</code></th>
<td class="colLast">
<div class="block">Create a new VMID.</div>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals(java.lang.Object)">equals</a></span>​(<a href="../../../../java.base/java/lang/Object.html" title="class in java.lang">Object</a> obj)</code></th>
<td class="colLast">
<div class="block">Compare this VMID to another, and return true if they are the
same identifier.</div>
</td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th>
<td class="colLast">
<div class="block">Compute hash code for this VMID.</div>
</td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>static boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isUnique()">isUnique</a></span>()</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span> </div>
</td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code><a href="../../../../java.base/java/lang/String.html" title="class in java.lang">String</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th>
<td class="colLast">
<div class="block">Return string representation of this VMID.</div>
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<h3>Methods declared in class java.lang.<a href="../../../../java.base/java/lang/Object.html" title="class in java.lang">Object</a></h3>
<code><a href="../../../../java.base/java/lang/Object.html#clone()">clone</a>, <a href="../../../../java.base/java/lang/Object.html#finalize()">finalize</a>, <a href="../../../../java.base/java/lang/Object.html#getClass()">getClass</a>, <a href="../../../../java.base/java/lang/Object.html#notify()">notify</a>, <a href="../../../../java.base/java/lang/Object.html#notifyAll()">notifyAll</a>, <a href="../../../../java.base/java/lang/Object.html#wait()">wait</a>, <a href="../../../../java.base/java/lang/Object.html#wait(long)">wait</a>, <a href="../../../../java.base/java/lang/Object.html#wait(long,int)">wait</a></code></li>
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<h4>VMID</h4>
<pre>public VMID()</pre>
<div class="block">Create a new VMID. Each new VMID returned from this constructor
is unique for all Java virtual machines under the following
conditions: a) the conditions for uniqueness for objects of
the class <code>java.rmi.server.UID</code> are satisfied, and b) an
address can be obtained for this host that is unique and constant
for the lifetime of this object.</div>
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<pre class="methodSignature"><a href="../../../../java.base/java/lang/Deprecated.html" title="annotation in java.lang">@Deprecated</a>
public static boolean isUnique()</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
<div class="block">Return true if an accurate address can be determined for this
host. If false, reliable VMID cannot be generated from this host</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if host address can be determined, false otherwise</dd>
</dl>
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<h4>hashCode</h4>
<pre class="methodSignature">public int hashCode()</pre>
<div class="block">Compute hash code for this VMID.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../java.base/java/lang/Object.html#hashCode()">hashCode</a></code> in class <code><a href="../../../../java.base/java/lang/Object.html" title="class in java.lang">Object</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a hash code value for this object.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../java.base/java/lang/Object.html#equals(java.lang.Object)"><code>Object.equals(java.lang.Object)</code></a>,
<a href="../../../../java.base/java/lang/System.html#identityHashCode(java.lang.Object)"><code>System.identityHashCode(java.lang.Object)</code></a></dd>
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<h4>equals</h4>
<pre class="methodSignature">public boolean equals​(<a href="../../../../java.base/java/lang/Object.html" title="class in java.lang">Object</a> obj)</pre>
<div class="block">Compare this VMID to another, and return true if they are the
same identifier.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../java.base/java/lang/Object.html#equals(java.lang.Object)">equals</a></code> in class <code><a href="../../../../java.base/java/lang/Object.html" title="class in java.lang">Object</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>obj</code> - the reference object with which to compare.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if this object is the same as the obj
argument; <code>false</code> otherwise.</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../java.base/java/lang/Object.html#hashCode()"><code>Object.hashCode()</code></a>,
<a href="../../../../java.base/java/util/HashMap.html" title="class in java.util"><code>HashMap</code></a></dd>
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<h4>toString</h4>
<pre class="methodSignature">public <a href="../../../../java.base/java/lang/String.html" title="class in java.lang">String</a> toString()</pre>
<div class="block">Return string representation of this VMID.</div>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../java.base/java/lang/Object.html#toString()">toString</a></code> in class <code><a href="../../../../java.base/java/lang/Object.html" title="class in java.lang">Object</a></code></dd>
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