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

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

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

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

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

⏎ sun/tools/jconsole/inspector/OperationEntry.java

/*
 * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package sun.tools.jconsole.inspector;

import java.awt.*;
import javax.swing.*;
import javax.management.*;

@SuppressWarnings("serial")
public class OperationEntry extends JPanel {
    private MBeanOperationInfo operation;
    private XTextField inputs[];

    public OperationEntry (MBeanOperationInfo operation,
                           boolean isCallable,
                           JButton button,
                           XOperations xoperations) {
        super(new BorderLayout());
        this.operation = operation;
        setLayout(new FlowLayout(FlowLayout.LEFT));
        setPanel(isCallable, button, xoperations);
    }

     private void setPanel(boolean isCallable,
                          JButton button,
                          XOperations xoperations) {
        try {
            MBeanParameterInfo params[] = operation.getSignature();
            add(new JLabel("(",JLabel.CENTER));
            inputs = new XTextField[params.length];
            for (int i = 0; i < params.length; i++) {
                if(params[i].getName() != null) {
                    JLabel name =
                        new JLabel(params[i].getName(), JLabel.CENTER);
                    name.setToolTipText(params[i].getDescription());
                    add(name);
                }

                String defaultTextValue =
                    Utils.getDefaultValue(params[i].getType());
                int fieldWidth = defaultTextValue.length();
                if (fieldWidth > 15) fieldWidth = 15;
                else
                    if (fieldWidth < 10) fieldWidth = 10;

                add(inputs[i] =
                        new XTextField(Utils.getReadableClassName(defaultTextValue),
                        Utils.getClass(params[i].getType()),
                        fieldWidth,
                        isCallable,
                        button,
                        xoperations));
                inputs[i].setHorizontalAlignment(SwingConstants.CENTER);

                if (i < params.length-1)
                    add(new JLabel(",",JLabel.CENTER));
            }
            add(new JLabel(")",JLabel.CENTER));
            validate();
            doLayout();
        }
        catch (Exception e) {
            System.out.println("Error setting Operation panel :"+
                               e.getMessage());
        }
    }

    public String[] getSignature() {
        MBeanParameterInfo params[] = operation.getSignature();
        String result[] = new String[params.length];
        for (int i = 0; i < params.length; i++) {
            result[i] = params[i].getType();
        }
        return result;
    }

    public Object[] getParameters() throws Exception {
        MBeanParameterInfo params[] = operation.getSignature();
        String signature[] = new String[params.length];
        for (int i = 0; i < params.length; i++)
        signature[i] = params[i].getType();
        return Utils.getParameters(inputs,signature);
    }

    public String getReturnType() {
        return operation.getReturnType();
    }
}

⏎ sun/tools/jconsole/inspector/OperationEntry.java

Or download all of them as a single archive file:

File name: jdk.jconsole-11.0.1-src.zip
File size: 164713 bytes
Release date: 2018-11-04
Download 

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