JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:

com.* - Internal Oracle and Sun Microsystems libraries
java.* - Standard Java API libraries.
javax.* - Extended Java API libraries.
jdk.* -  JDK supporting libraries.
org.* - Third party libraries.
sun.* - Old libraries developed by Sun Microsystems.

JAR File Information:

Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib
      63,596,151 rt.jar

Here is the list of Java classes of the javax.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.

⏎ javax/sql/rowset/spi/SyncFactoryException.java

/*
 * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package javax.sql.rowset.spi;

import java.sql.SQLException;

/**
 * Indicates an error with <code>SyncFactory</code> mechanism. A disconnected
 * RowSet implementation cannot be used  without a <code>SyncProvider</code>
 * being successfully instantiated
 *
 * @author Jonathan Bruce
 * @see javax.sql.rowset.spi.SyncFactory
 * @see javax.sql.rowset.spi.SyncFactoryException
 */
public class SyncFactoryException extends java.sql.SQLException {

    /**
     * Creates new <code>SyncFactoryException</code> without detail message.
     */
    public SyncFactoryException() {
    }

    /**
     * Constructs an <code>SyncFactoryException</code> with the specified
     * detail message.
     *
     * @param msg the detail message.
     */
    public SyncFactoryException(String msg) {
        super(msg);
    }

    static final long serialVersionUID = -4354595476433200352L;
}

⏎ javax/sql/rowset/spi/SyncFactoryException.java

Or download all of them as a single archive file:

File name: jre-rt-javax-1.8.0_191-src.zip
File size: 5381005 bytes
Release date: 2018-10-28
Download 

⇒ JRE 8 rt.jar - org.* Package Source Code

⇐ JRE 8 rt.jar - java.* Package Source Code

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