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/io/FilterReader.java

/*
 * Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package java.io;


/**
 * Abstract class for reading filtered character streams.
 * The abstract class <code>FilterReader</code> itself
 * provides default methods that pass all requests to
 * the contained stream. Subclasses of <code>FilterReader</code>
 * should override some of these methods and may also provide
 * additional methods and fields.
 *
 * @author      Mark Reinhold
 * @since       1.1
 */

public abstract class FilterReader extends Reader {

    /**
     * The underlying character-input stream.
     */
    protected Reader in;

    /**
     * Creates a new filtered reader.
     *
     * @param in  a Reader object providing the underlying stream.
     * @throws NullPointerException if <code>in</code> is <code>null</code>
     */
    protected FilterReader(Reader in) {
        super(in);
        this.in = in;
    }

    /**
     * Reads a single character.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public int read() throws IOException {
        return in.read();
    }

    /**
     * Reads characters into a portion of an array.
     *
     * @exception  IOException  If an I/O error occurs
     * @exception  IndexOutOfBoundsException {@inheritDoc}
     */
    public int read(char cbuf[], int off, int len) throws IOException {
        return in.read(cbuf, off, len);
    }

    /**
     * Skips characters.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public long skip(long n) throws IOException {
        return in.skip(n);
    }

    /**
     * Tells whether this stream is ready to be read.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public boolean ready() throws IOException {
        return in.ready();
    }

    /**
     * Tells whether this stream supports the mark() operation.
     */
    public boolean markSupported() {
        return in.markSupported();
    }

    /**
     * Marks the present position in the stream.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public void mark(int readAheadLimit) throws IOException {
        in.mark(readAheadLimit);
    }

    /**
     * Resets the stream.
     *
     * @exception  IOException  If an I/O error occurs
     */
    public void reset() throws IOException {
        in.reset();
    }

    public void close() throws IOException {
        in.close();
    }

}

⏎ java/io/FilterReader.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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