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JDK 17 java.base.jmod - Base Module
JDK 17 java.base.jmod is the JMOD file for JDK 17 Base module.
JDK 17 Base module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.base.jmod.
JDK 17 Base module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Base module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ java/lang/ref/FinalizerHistogram.java
/* * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.lang.ref; import java.util.Map; import java.util.HashMap; import java.util.Arrays; import java.util.Comparator; /** * This FinalizerHistogram class is for GC.finalizer_info diagnostic command support. * It is invoked by the VM. */ final class FinalizerHistogram { private static final class Entry { private int instanceCount; private final String className; int getInstanceCount() { return instanceCount; } void increment() { instanceCount += 1; } Entry(String className) { this.className = className; } } // Method below is called by VM and VM expect certain // entry class layout. static Entry[] getFinalizerHistogram() { Map<String, Entry> countMap = new HashMap<>(); ReferenceQueue<Object> queue = Finalizer.getQueue(); queue.forEach(r -> { Object referent = r.get(); if (referent != null) { countMap.computeIfAbsent( referent.getClass().getName(), Entry::new).increment(); /* Clear stack slot containing this variable, to decrease the chances of false retention with a conservative GC */ referent = null; } }); Entry fhe[] = countMap.values().toArray(new Entry[countMap.size()]); Arrays.sort(fhe, Comparator.comparingInt(Entry::getInstanceCount).reversed()); return fhe; } }
⏎ java/lang/ref/FinalizerHistogram.java
Or download all of them as a single archive file:
File name: java.base-17.0.5-src.zip File size: 8883851 bytes Release date: 2022-09-13 Download
2023-09-26, 44499👍, 1💬
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