JDK 11 jdk.compiler.jmod is the JMOD file for JDK 11 Compiler tool, which can be invoked by the "javac" command.

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

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

JDK 11 Compiler source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.compiler.

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

⏎ com/sun/source/tree/PackageTree.java

/*
 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package com.sun.source.tree;

import java.util.List;

/**
 * Represents the package declaration.
 *
 * @jls sections 7.3, and 7.4
 *
 * @author Paul Govereau
 * @since 9
 */
public interface PackageTree extends Tree {
    /**
     * Returns the annotations associated with this package declaration.
     * @return the annotations
     */
    List<? extends AnnotationTree> getAnnotations();

    /**
     * Returns the name of the package being declared.
     * @return the name
     */
    ExpressionTree getPackageName();
}

⏎ com/sun/source/tree/PackageTree.java

Or download all of them as a single archive file:

File name: jdk.compiler-11.0.1-src.zip
File size: 1347269 bytes
Release date: 2018-11-04
Download 

⇒ JDK 11 jdk.crypto.cryptoki.jmod - Crypto KI Module

⇐ JDK 11 jdk.charsets.jmod - Charsets Module

⇑ Download and Use JDK 11

⇑⇑ FAQ for JDK (Java Development Kit)