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 com.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.

⏎ com/sun/corba/se/org/omg/CORBA/ORB.java

/*
 * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package com.sun.corba.se.org.omg.CORBA ;

import org.omg.CORBA.ORBPackage.InvalidName ;

/** This ORB class is defined to provide a home for the
* register_initial_reference operation, which is added by
* portable interceptors and CORBA 2.4.  It is added here
* until there is an official Java language mapping for the
* method.
*/
abstract public class ORB extends org.omg.CORBA_2_3.ORB
{
    /**
     * If this operation is called with an id, <code>"Y"</code>, and an
     * object, <code>YY</code>, then a subsequent call to
     * <code>ORB.resolve_initial_references( "Y" )</code> will
     * return object <code>YY</code>.
     *
     * @param id The ID by which the initial reference will be known.
     * @param obj The initial reference itself.
     * @throws InvalidName if this operation is called with an empty string id
     *     or this operation is called with an id that is already registered,
     *     including the default names defined by OMG.
     * @throws BAD_PARAM if the obj parameter is null.
     */
    public void register_initial_reference( String id,
                                            org.omg.CORBA.Object obj )
        throws InvalidName
    {
        throw new org.omg.CORBA.NO_IMPLEMENT();
    }
}

⏎ com/sun/corba/se/org/omg/CORBA/ORB.java

Or download all of them as a single archive file:

File name: jre-rt-com-1.8.0_191-src.zip
File size: 8099783 bytes
Release date: 2018-10-28
Download 

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