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.

⏎ sun/tools/jstat/RowClosure.java

/*
 * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package sun.tools.jstat;

import java.text.*;
import sun.jvmstat.monitor.*;

/**
 * A class implementing the Closure interface for iterating over the
 * specified columns of data and generating the columnized string of
 * data representing a row of output for the form.
 *
 * @author Brian Doherty
 * @since 1.5
 */
public class RowClosure implements Closure {
    private MonitoredVm vm;
    private StringBuilder row = new StringBuilder();

    public RowClosure(MonitoredVm vm) {
        this.vm = vm;
    }

    public void visit(Object o, boolean hasNext) throws MonitorException {
        if (! (o instanceof ColumnFormat)) {
            return;
        }

        ColumnFormat c = (ColumnFormat)o;
        String s = null;

        Expression e = c.getExpression();
        ExpressionEvaluator ee = new ExpressionExecuter(vm);
        Object value = ee.evaluate(e);

        if (value instanceof String) {
            s = (String)value;
        } else if (value instanceof Number) {
            double d = ((Number)value).doubleValue();
            double scaledValue = c.getScale().scale(d);
            DecimalFormat df = new DecimalFormat(c.getFormat());
            DecimalFormatSymbols syms = df.getDecimalFormatSymbols();
            syms.setNaN("-");
            df.setDecimalFormatSymbols(syms);
            s = df.format(scaledValue);
        }

        c.setPreviousValue(value);
        s = c.getAlignment().align(s, c.getWidth());
        row.append(s);
        if (hasNext) {
            row.append(" ");
        }
    }

    public String getRow() {
        return row.toString();
    }
}

⏎ sun/tools/jstat/RowClosure.java

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