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/nio/DirectDoubleBufferRU.java

/*
 * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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// -- This file was mechanically generated: Do not edit! -- //

package java.nio;

import java.io.FileDescriptor;
import java.lang.ref.Reference;
import jdk.internal.misc.VM;
import jdk.internal.ref.Cleaner;
import sun.nio.ch.DirectBuffer;


class DirectDoubleBufferRU



    extends DirectDoubleBufferU

    implements DirectBuffer
{












































































































































    // For duplicates and slices
    //
    DirectDoubleBufferRU(DirectBuffer db,         // package-private
                               int mark, int pos, int lim, int cap,
                               int off)
    {








        super(db, mark, pos, lim, cap, off);
        this.isReadOnly = true;

    }

    @Override
    Object base() {
        return null;
    }

    public DoubleBuffer slice() {
        int pos = this.position();
        int lim = this.limit();
        assert (pos <= lim);
        int rem = (pos <= lim ? lim - pos : 0);
        int off = (pos << 3);
        assert (off >= 0);
        return new DirectDoubleBufferRU(this, -1, 0, rem, rem, off);
    }










    public DoubleBuffer duplicate() {
        return new DirectDoubleBufferRU(this,
                                              this.markValue(),
                                              this.position(),
                                              this.limit(),
                                              this.capacity(),
                                              0);
    }

    public DoubleBuffer asReadOnlyBuffer() {








        return duplicate();

    }
















































































    public DoubleBuffer put(double x) {








        throw new ReadOnlyBufferException();

    }

    public DoubleBuffer put(int i, double x) {








        throw new ReadOnlyBufferException();

    }

    public DoubleBuffer put(DoubleBuffer src) {









































        throw new ReadOnlyBufferException();

    }

    public DoubleBuffer put(double[] src, int offset, int length) {




































        throw new ReadOnlyBufferException();

    }

    public DoubleBuffer compact() {















        throw new ReadOnlyBufferException();

    }

    public boolean isDirect() {
        return true;
    }

    public boolean isReadOnly() {
        return true;
    }















































    public ByteOrder order() {





        return ((ByteOrder.nativeOrder() != ByteOrder.BIG_ENDIAN)
                ? ByteOrder.LITTLE_ENDIAN : ByteOrder.BIG_ENDIAN);

    }


















}

⏎ java/nio/DirectDoubleBufferRU.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
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