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

⏎ org/omg/CORBA/ARG_IN.java

/*
 * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package org.omg.CORBA;

/**
 * Signifies an "input" argument to an invocation,
 * meaning that the argument is being passed from the client to
 * the server.
 * <code>ARG_IN.value</code> is one of the possible values used to
 * indicate the direction in
 * which a parameter is being passed during an invocation performed
 * using the Dynamic Invocation Interface (DII).
 * <P>
 * The code fragment below shows a typical usage:
 * <PRE>
 *    ORB orb = ORB.init(args, null);
 *    org.omg.CORBA.NamedValue nv = orb.create_named_value(
 *         "IDLArgumentIdentifier", myAny, org.omg.CORBA.ARG_IN.value);
 * </PRE>
 *
 * @see     org.omg.CORBA.NamedValue
 * @since   JDK1.2
 */
public interface ARG_IN {

    /**
     * The value indicating an input argument.
     */
    int value = 1;
}

⏎ org/omg/CORBA/ARG_IN.java

Or download all of them as a single archive file:

File name: jre-rt-org-1.8.0_191-src.zip
File size: 951125 bytes
Release date: 2018-10-28
Download 

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

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

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