JDK 11 jdk.javadoc.jmod is the JMOD file for JDK 11 Java Document tool, which can be invoked by the "javadoc" command.

JDK 11 Java Document tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.javadoc.jmod.

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

JDK 11 Java Document tool source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.javadoc.

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

⏎ jdk/javadoc/internal/doclets/toolkit/taglets/ReturnTaglet.java

/*
 * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package jdk.javadoc.internal.doclets.toolkit.taglets;

import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;

import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.type.TypeMirror;

import com.sun.source.doctree.DocTree;
import jdk.javadoc.internal.doclets.toolkit.Content;
import jdk.javadoc.internal.doclets.toolkit.Messages;
import jdk.javadoc.internal.doclets.toolkit.util.CommentHelper;
import jdk.javadoc.internal.doclets.toolkit.util.DocFinder;
import jdk.javadoc.internal.doclets.toolkit.util.DocFinder.Input;
import jdk.javadoc.internal.doclets.toolkit.util.Utils;

import static com.sun.source.doctree.DocTree.Kind.RETURN;

/**
 * A taglet that represents the @return tag.
 *
 *  <p><b>This is NOT part of any supported API.
 *  If you write code that depends on this, you do so at your own risk.
 *  This code and its internal interfaces are subject to change or
 *  deletion without notice.</b>
 *
 * @author Jamie Ho
 */
public class ReturnTaglet extends BaseTaglet implements InheritableTaglet {

    public ReturnTaglet() {
        super(RETURN.tagName, false, EnumSet.of(Site.METHOD));
    }

    @Override
    public void inherit(DocFinder.Input input, DocFinder.Output output) {
        List<? extends DocTree> tags = input.utils.getBlockTags(input.element, DocTree.Kind.RETURN);
        CommentHelper ch = input.utils.getCommentHelper(input.element);
        if (!tags.isEmpty()) {
            output.holder = input.element;
            output.holderTag = tags.get(0);
            output.inlineTags = input.isFirstSentence
                    ? ch.getFirstSentenceTrees(input.utils.configuration, output.holderTag)
                    : ch.getDescription(input.utils.configuration, output.holderTag);
        }
    }

    @Override
    public Content getTagletOutput(Element holder, TagletWriter writer) {
        Messages messages = writer.configuration().getMessages();
        Utils utils = writer.configuration().utils;
        TypeMirror returnType = utils.getReturnType((ExecutableElement)holder);
        List<? extends DocTree> tags = utils.getBlockTags(holder, name);

        //Make sure we are not using @return tag on method with void return type.
        if (returnType != null && utils.isVoid(returnType)) {
            if (!tags.isEmpty()) {
                messages.warning(holder, "doclet.Return_tag_on_void_method");
            }
            return null;
        }
        if (!tags.isEmpty())
            return writer.returnTagOutput(holder, tags.get(0));
        //Inherit @return tag if necessary.
        List<DocTree> ntags = new ArrayList<>();
        Input input = new DocFinder.Input(utils, holder, this);
        DocFinder.Output inheritedDoc = DocFinder.search(writer.configuration(), input);
        if (inheritedDoc.holderTag != null) {
            CommentHelper ch = utils.getCommentHelper(input.element);
            ch.setOverrideElement(inheritedDoc.holder);
            ntags.add(inheritedDoc.holderTag);
        }
        return !ntags.isEmpty() ? writer.returnTagOutput(holder, ntags.get(0)) : null;
    }
}

⏎ jdk/javadoc/internal/doclets/toolkit/taglets/ReturnTaglet.java

Or download all of them as a single archive file:

File name: jdk.javadoc-11.0.1-src.zip
File size: 680806 bytes
Release date: 2018-11-04
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