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

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

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

JDK 11 JShell tool source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.jshell.

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

⏎ jdk/jshell/execution/DemultiplexInput.java

/*
 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package jdk.jshell.execution;

import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Map;

/**
 * Read from an InputStream which has been packetized and write its contents
 * to the named OutputStreams.
 *
 * @author Jan Lahoda
 * @see Util#demultiplexInput(java.io.InputStream, java.io.OutputStream, java.io.OutputStream, java.io.OutputStream...)
 */
class DemultiplexInput extends Thread {

    private final DataInputStream delegate;
    private final Map<String, OutputStream> io;
    private final Iterable<OutputStream> closeList;

    DemultiplexInput(InputStream input, Map<String, OutputStream> io, Iterable<OutputStream> closeList) {
        super("output reader");
        setDaemon(true);
        this.delegate = new DataInputStream(input);
        this.io = io;
        this.closeList = closeList;
    }

    @Override
    public void run() {
        try {
            while (true) {
                int nameLen = delegate.read();
                if (nameLen == (-1)) {
                    break;
                }
                byte[] name = new byte[nameLen];
                DemultiplexInput.this.delegate.readFully(name);
                int dataLen = delegate.read();
                byte[] data = new byte[dataLen];
                DemultiplexInput.this.delegate.readFully(data);
                String chan = new String(name, "UTF-8");
                OutputStream out = io.get(chan);
                if (out == null) {
                    debug("Unexpected channel name: %s", chan);
                } else {
                    out.write(data);
                }
            }
        } catch (IOException ex) {
            debug(ex, "Failed reading output");
        } finally {
            for (OutputStream out : closeList) {
                try {
                    out.close();
                } catch (IOException ex) {
                    debug(ex, "Failed reading output");
                }
            }
        }
    }

    /**
     * Log debugging information. Arguments as for {@code printf}.
     *
     * @param format a format string as described in Format string syntax
     * @param args arguments referenced by the format specifiers in the format
     * string.
     */
    private void debug(String format, Object... args) {
        // Reserved for future logging
    }

    /**
     * Log a serious unexpected internal exception.
     *
     * @param ex the exception
     * @param where a description of the context of the exception
     */
    private void debug(Throwable ex, String where) {
        // Reserved for future logging
    }

}

⏎ jdk/jshell/execution/DemultiplexInput.java

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