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.

⏎ jdk/internal/reflect/MethodAccessor.java

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

import java.lang.reflect.InvocationTargetException;

/** This interface provides the declaration for
    java.lang.reflect.Method.invoke(). Each Method object is
    configured with a (possibly dynamically-generated) class which
    implements this interface.
*/

public interface MethodAccessor {
    /** Matches specification in {@link java.lang.reflect.Method} */
    public Object invoke(Object obj, Object[] args)
        throws IllegalArgumentException, InvocationTargetException;
}

⏎ jdk/internal/reflect/MethodAccessor.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 

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