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/rmi/server/ServerCloneException.java

/*
 * @(#)ServerCloneException.java	1.5 01/12/10
 *
 * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package java.rmi.server;

public class ServerCloneException extends CloneNotSupportedException {

    private static final long serialVersionUID = 6617456357664815945L;

    public Exception detail;
    
    /**
     * Create A remote exception with the specified string
     */
    public ServerCloneException(String s) {
	super(s);
    }

    /**
     * Create A remote exception with the specified string, and the
     * exception specified.
     */
    public ServerCloneException(String s, Exception ex) {
	super(s);
	detail = ex;
    }

    /**
     * Produce the message, include the message from the nested
     * exception if there is one.
     */
    public String getMessage() {
	if (detail == null) 
	    return super.getMessage();
	else
	    return super.getMessage() + 
		"; nested exception is: \n\t" +
		detail.toString();
    }
}

⏎ java/rmi/server/ServerCloneException.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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