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/SystemException.java

/*
 * Copyright (c) 1995, 2006, 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;

import org.omg.CORBA.portable.InputStream;
import org.omg.CORBA.portable.OutputStream;
import java.util.*;
import org.omg.CORBA.OMGVMCID;
import com.sun.corba.se.impl.util.SUNVMCID;

/**
 * The root class for all CORBA standard exceptions. These exceptions
 * may be thrown as a result of any CORBA operation invocation and may
 * also be returned by many standard CORBA API methods. The standard
 * exceptions contain a minor code, allowing more detailed specification, and a
 * completion status. This class is subclassed to
 * generate each one of the set of standard ORB exceptions.
 * <code>SystemException</code> extends
 * <code>java.lang.RuntimeException</code>; thus none of the
 * <code>SystemException</code> exceptions need to be
 * declared in signatures of the Java methods mapped from operations in
 * IDL interfaces.
 *
 * @see <A href="../../../../technotes/guides/idl/jidlExceptions.html">documentation on
 * Java&nbsp;IDL exceptions</A>
 */

public abstract class SystemException extends java.lang.RuntimeException {

    /**
     * The CORBA Exception minor code.
     * @serial
     */
    public int minor;

    /**
     * The status of the operation that threw this exception.
     * @serial
     */
    public CompletionStatus completed;

    /**
     * Constructs a <code>SystemException</code> exception with the specified detail
     * message, minor code, and completion status.
     * A detail message is a String that describes this particular exception.
     * @param reason the String containing a detail message
     * @param minor the minor code
     * @param completed the completion status
     */
    protected SystemException(String reason, int minor, CompletionStatus completed) {
        super(reason);
        this.minor = minor;
        this.completed = completed;
    }

    /**
     * Converts this exception to a representative string.
     */
    public String toString() {
        // The fully qualified exception class name
        String result = super.toString();

        // The vmcid part
        int vmcid = minor & 0xFFFFF000;
        switch (vmcid) {
            case OMGVMCID.value:
                result += "  vmcid: OMG";
                break;
            case SUNVMCID.value:
                result += "  vmcid: SUN";
                break;
            default:
                result += "  vmcid: 0x" + Integer.toHexString(vmcid);
                break;
        }

        // The minor code part
        int mc = minor & 0x00000FFF;
        result += "  minor code: " + mc;

        // The completion status part
        switch (completed.value()) {
            case CompletionStatus._COMPLETED_YES:
                result += "  completed: Yes";
                break;
            case CompletionStatus._COMPLETED_NO:
                result += "  completed: No";
                break;
            case CompletionStatus._COMPLETED_MAYBE:
            default:
                result += " completed: Maybe";
                break;
        }
        return result;
    }
}

⏎ org/omg/CORBA/SystemException.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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