JDK 11 jdk.jcmd.jmod is the JMOD file for JDK 11 JCmd tool, which can be invoked by the "jcmd" command.

JDK 11 JCmd tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.jcmd.jmod.

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

JDK 11 JCmd source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.jcmd.

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

⏎ module-info.java

/*
 * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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/**
 * Defines tools for diagnostics and troubleshooting a JVM
 * such as the <em>{@index jcmd jcmd tool}</em>, <em>{@index jps jps tool}</em>,
 * <em>{@index jstat jstat tool}</em> tools.
 *
 * <dl style="font-family:'DejaVu Sans', Arial, Helvetica, sans serif">
 * <dt class="simpleTagLabel">Tool Guides:
 * <dd>
 * {@extLink jcmd_tool_reference jcmd},
 * {@extLink jinfo_tool_reference jinfo},
 * {@extLink jmap_tool_reference jmap},
 * {@extLink jps_tool_reference jps},
 * {@extLink jstack_tool_reference jstack},
 * {@extLink jstat_tool_reference jstat}
 * </dl>
 *
 * @moduleGraph
 * @since 9
 */
module jdk.jcmd {
    requires jdk.attach;
    requires jdk.internal.jvmstat;
}

⏎ module-info.java

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