JDK 11 java.base.jmod is the JMOD file for JDK 11 Base module.

JDK 11 Base module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.base.jmod.

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

JDK 11 Base module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.base.

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

⏎ java/lang/ClassFormatError.java

/*
 * Copyright (c) 1994, 2008, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */

package java.lang;

/**
 * Thrown when the Java Virtual Machine attempts to read a class
 * file and determines that the file is malformed or otherwise cannot
 * be interpreted as a class file.
 *
 * @author  unascribed
 * @since   1.0
 */
public
class ClassFormatError extends LinkageError {
    private static final long serialVersionUID = -8420114879011949195L;

    /**
     * Constructs a <code>ClassFormatError</code> with no detail message.
     */
    public ClassFormatError() {
        super();
    }

    /**
     * Constructs a <code>ClassFormatError</code> with the specified
     * detail message.
     *
     * @param   s   the detail message.
     */
    public ClassFormatError(String s) {
        super(s);
    }
}

⏎ java/lang/ClassFormatError.java

Or download all of them as a single archive file:

File name: java.base-11.0.1-src.zip
File size: 8740354 bytes
Release date: 2018-11-04
Download 

⇒ JDK 11 java.compiler.jmod - Compiler Module

⇐ JDK 11 Modules List

⇑ Download and Use JDK 11

⇑⇑ FAQ for JDK (Java Development Kit)