JDK 11 jdk.management.jmod is the JMOD file for JDK 11 Management module.

JDK 11 Management module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.management.jmod.

JDK 11 Management module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Management module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.management.

You can click and view the content of each source code file in the list below.

⏎ com/sun/management/internal/HotSpotThreadImpl.java

/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package com.sun.management.internal;

import com.sun.management.ThreadMXBean;
import sun.management.ManagementFactoryHelper;
import sun.management.ThreadImpl;
import sun.management.VMManagement;

/**
 *
 */
public class HotSpotThreadImpl extends ThreadImpl implements ThreadMXBean {
    public HotSpotThreadImpl(VMManagement vm) {
        super(ManagementFactoryHelper.getVMManagement());
    }

    @Override
    public boolean isThreadAllocatedMemorySupported() {
        return super.isThreadAllocatedMemorySupported();
    }

    @Override
    public boolean isThreadAllocatedMemoryEnabled() {
        return super.isThreadAllocatedMemoryEnabled();
    }

    @Override
    public long[] getThreadCpuTime(long[] ids) {
        return super.getThreadCpuTime(ids);
    }

    @Override
    public long[] getThreadUserTime(long[] ids) {
        return super.getThreadUserTime(ids);
    }

    @Override
    public long getThreadAllocatedBytes(long id) {
        return super.getThreadAllocatedBytes(id);
    }

    @Override
    public long[] getThreadAllocatedBytes(long[] ids) {
        return super.getThreadAllocatedBytes(ids);
    }

    @Override
    public void setThreadAllocatedMemoryEnabled(boolean enable) {
        super.setThreadAllocatedMemoryEnabled(enable);
    }
}

⏎ com/sun/management/internal/HotSpotThreadImpl.java

Or download all of them as a single archive file:

File name: jdk.management-11.0.1-src.zip
File size: 38186 bytes
Release date: 2018-11-04
Download 

⇒ JDK 11 jdk.management.agent.jmod - Management Agent Module

⇐ JDK 11 jdk.localedata.jmod - Locale Data Module

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