JDK 1.1 source code directory contains Java source code for JDK 1.1 core classes: "C:\fyicenter\jdk-1.1.8\src".

Here is the list of Java classes of the JDK 1.1 source code:

⏎ java/io/UnsupportedEncodingException.java

/*
 * @(#)UnsupportedEncodingException.java	1.8 01/12/10
 *
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package java.io;

/**
 * The Character Encoding is not supported
 *
 * @author  Asmus Freytag
 * @version 1.8, 12/10/01
 * @since   JDK1.1
 */
public class UnsupportedEncodingException
    extends IOException
{
    /**
     * no detailed message
     * @since   JDK1.1
     */
    public UnsupportedEncodingException() {
        super();
    }
    /**
     * detailed message
     * @param s - detailed message
     * @since   JDK1.1
     */
    public UnsupportedEncodingException(String s) {
        super(s);
    }
}

⏎ java/io/UnsupportedEncodingException.java

Or download all of them as a single archive file:

File name: jdk-1.1.8-src.zip
File size: 1574187 bytes
Release date: 2018-11-16
Download 

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