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/Expression.java

/*
 * Copyright (c) 2004, 2018, 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;

/**
 * A class that represents a mathematical expression as a tree structure
 * containing operators as interior nodes and operands as leaves. The
 * operands can be literals or lazily bound variables.
 *
 * @author Brian Doherty
 * @since 1.5
 */
public class Expression {
    private static int nextOrdinal;
    private boolean debug = Boolean.getBoolean("Expression.debug");
    private Expression left;
    private Expression right;
    private Operator operator;
    private int ordinal = nextOrdinal++;
    private boolean required = false;

    Expression() {
        if (debug) {
            System.out.println("Expression " + ordinal + " created");
        }
    }

    void setLeft(Expression left) {
        if (debug) {
            System.out.println("Setting left on " + ordinal + " to " + left);
        }
        this.left = left;
        this.left.setRequired(required);
    }

    Expression getLeft() {
        return left;
    }

    void setRight(Expression right) {
        if (debug) {
            System.out.println("Setting right on " + ordinal + " to " + right);
        }
        this.right = right;
        this.right.setRequired(required);
    }

    Expression getRight() {
        return right;
    }

    void setOperator(Operator o) {
        if (debug) {
            System.out.println("Setting operator on " + ordinal + " to " + o);
        }
        this.operator = o;
    }

    Operator getOperator() {
        return operator;
    }

    void setRequired(boolean r) {
        this.required = r;
        if (left != null) {
            left.setRequired(required);
        }
        if (right != null) {
            right.setRequired(required);
        }
    }

    boolean isRequired() {
        return required;
    }

    public String toString() {
        StringBuilder b = new StringBuilder();
        b.append('(');
        if (left != null) {
            b.append(left.toString());
        }
        if (operator != null) {
            b.append(operator.toString());
            if (right != null) {
                b.append(right.toString());
            }
        }
        b.append(')');
        return b.toString();
    }
}

⏎ sun/tools/jstat/Expression.java

Or download all of them as a single archive file:

File name: jdk.jcmd-11.0.1-src.zip
File size: 47892 bytes
Release date: 2018-11-04
Download 

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