JDK 17 java.base.jmod is the JMOD file for JDK 17 Base module.

JDK 17 Base module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.base.jmod.

JDK 17 Base module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.

JDK 17 Base module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.base.

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

⏎ java/net/PlainDatagramSocketImpl.java

/*
 * Copyright (c) 2007, 2019, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package java.net;

import java.io.IOException;
import java.util.Set;
import java.util.HashSet;
import sun.net.ext.ExtendedSocketOptions;

/*
 * On Unix systems we simply delegate to native methods.
 *
 * @author Chris Hegarty
 */

class PlainDatagramSocketImpl extends AbstractPlainDatagramSocketImpl
{
    PlainDatagramSocketImpl(boolean isMulticast) {
        super(isMulticast);
    }

    static {
        init();
    }

    protected void socketSetOption(int opt, Object val) throws SocketException {
        if (opt == SocketOptions.SO_REUSEPORT &&
            !supportedOptions().contains(StandardSocketOptions.SO_REUSEPORT)) {
            throw new UnsupportedOperationException("unsupported option");
        }
        try {
            socketSetOption0(opt, val);
        } catch (SocketException se) {
            if (!connected)
                throw se;
        }
    }

    protected synchronized native void bind0(int lport, InetAddress laddr)
        throws SocketException;

    protected native void send0(DatagramPacket p) throws IOException;

    protected synchronized native int peek(InetAddress i) throws IOException;

    protected synchronized native int peekData(DatagramPacket p) throws IOException;

    protected synchronized native void receive0(DatagramPacket p)
        throws IOException;

    protected native void setTimeToLive(int ttl) throws IOException;

    protected native int getTimeToLive() throws IOException;

    @Deprecated
    protected native void setTTL(byte ttl) throws IOException;

    @Deprecated
    protected native byte getTTL() throws IOException;

    protected native void join(InetAddress inetaddr, NetworkInterface netIf)
        throws IOException;

    protected native void leave(InetAddress inetaddr, NetworkInterface netIf)
        throws IOException;

    protected native void datagramSocketCreate() throws SocketException;

    protected native void datagramSocketClose();

    protected native void socketSetOption0(int opt, Object val)
        throws SocketException;

    protected native Object socketGetOption(int opt) throws SocketException;

    protected native void connect0(InetAddress address, int port) throws SocketException;

    protected native void disconnect0(int family);

    native int dataAvailable();

    /**
     * Perform class load-time initializations.
     */
    private static native void init();
}

⏎ java/net/PlainDatagramSocketImpl.java

Or download all of them as a single archive file:

File name: java.base-17.0.5-src.zip
File size: 8883851 bytes
Release date: 2022-09-13
Download 

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