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.

⏎ com/sun/javadoc/Type.java

/*
 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package com.sun.javadoc;

/**
 * Represents a type.  A type can be a class or interface, an
 * invocation (like {@code List<String>}) of a generic class or interface,
 * a type variable, a wildcard type ("{@code ?}"),
 * or a primitive data type (like {@code char}).
 *
 * @since 1.2
 * @author Kaiyang Liu (original)
 * @author Robert Field (rewrite)
 * @author Scott Seligman (generics)
 *
 * @deprecated
 *   The declarations in this package have been superseded by those
 *   in the package {@code jdk.javadoc.doclet}.
 *   For more information, see the <i>Migration Guide</i> in the documentation for that package.
 */
@Deprecated(since="9", forRemoval=true)
@SuppressWarnings("removal")
public interface Type {

    /**
     * Return unqualified name of type excluding any dimension information.
     * <p>
     * For example, a two dimensional array of String returns
     * "{@code String}".
     * @return unqualified name of type excluding any dimension information.
     */
    String typeName();

    /**
     * Return qualified name of type excluding any dimension information.
     *<p>
     * For example, a two dimensional array of String
     * returns "{@code java.lang.String}".
     * @return qualified name of this type excluding any dimension information.
     */
    String qualifiedTypeName();

    /**
     * Return the simple name of this type excluding any dimension information.
     * This is the unqualified name of the type, except that for nested types
     * only the identifier of the innermost type is included.
     * <p>
     * For example, the class {@code Outer.Inner} returns
     * "{@code Inner}".
     *
     * @since 1.5
     * @return the simple name of this type excluding any dimension information.
     */
    String simpleTypeName();

    /**
     * Return the type's dimension information, as a string.
     * <p>
     * For example, a two dimensional array of String returns
     * "{@code [][]}".
     * @return the type's dimension information as a string.
     */
    String dimension();

    /**
     * Return a string representation of the type.
     * This includes any dimension information and type arguments.
     * <p>
     * For example, a two dimensional array of String may return
     * "{@code java.lang.String[][]}",
     * and the parameterized type {@code List<Integer>} may return
     * "{@code java.util.List<java.lang.Integer>}".
     *
     * @return a string representation of the type.
     */
    String toString();

    /**
     * Return true if this type represents a primitive type.
     *
     * @return true if this type represents a primitive type.
     * @since 1.5
     */
    boolean isPrimitive();

    /**
     * Return this type as a {@code ClassDoc} if it represents a class
     * or interface.  Array dimensions are ignored.
     * If this type is a {@code ParameterizedType},
     * {@code TypeVariable}, or {@code WildcardType}, return
     * the {@code ClassDoc} of the type's erasure.  If this is an
     * {@code AnnotationTypeDoc}, return this as a {@code ClassDoc}
     * (but see {@link #asAnnotationTypeDoc()}).
     * If this is a primitive type, return null.
     *
     * @return the {@code ClassDoc} of this type,
     *         or null if it is a primitive type.
     */
    ClassDoc asClassDoc();

    /**
     * Return this type as a {@code ParameterizedType} if it represents
     * an invocation of a generic class or interface.  Array dimensions
     * are ignored.
     *
     * @return a {@code ParameterizedType} if the type is an
     *         invocation of a generic type, or null if it is not.
     * @since 1.5
     */
    ParameterizedType asParameterizedType();

    /**
     * Return this type as a {@code TypeVariable} if it represents
     * a type variable.  Array dimensions are ignored.
     *
     * @return a {@code TypeVariable} if the type is a type variable,
     *         or null if it is not.
     * @since 1.5
     */
    TypeVariable asTypeVariable();

    /**
     * Return this type as a {@code WildcardType} if it represents
     * a wildcard type.
     *
     * @return a {@code WildcardType} if the type is a wildcard type,
     *         or null if it is not.
     * @since 1.5
     */
    WildcardType asWildcardType();

    /**
     * Returns this type as a {@code AnnotatedType} if it represents
     * an annotated type.
     *
     * @return a {@code AnnotatedType} if the type if an annotated type,
     *         or null if it is not
     * @since 1.8
     */
    AnnotatedType asAnnotatedType();

    /**
     * Return this type as an {@code AnnotationTypeDoc} if it represents
     * an annotation type.  Array dimensions are ignored.
     *
     * @return an {@code AnnotationTypeDoc} if the type is an annotation
     *         type, or null if it is not.
     * @since 1.5
     */
    AnnotationTypeDoc asAnnotationTypeDoc();

    /**
     * If this type is an array type, return the element type of the
     * array. Otherwise, return null.
     *
     * @return a {@code Type} representing the element type or null.
     * @since 1.8
     */
    Type getElementType();
}

⏎ com/sun/javadoc/Type.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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