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/impl/corba/ContextImpl.java

/*
 * Copyright (c) 1996, 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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/*
 * Licensed Materials - Property of IBM
 * RMI-IIOP v1.0
 * Copyright IBM Corp. 1998 1999  All Rights Reserved
 *
 */

package com.sun.corba.se.impl.corba;

import org.omg.CORBA.Any;
import org.omg.CORBA.Context;
import org.omg.CORBA.NO_IMPLEMENT;
import org.omg.CORBA.SystemException;
import org.omg.CORBA.NVList;

import com.sun.corba.se.spi.logging.CORBALogDomains ;
import com.sun.corba.se.impl.logging.ORBUtilSystemException ;

public final class ContextImpl extends Context {

    private org.omg.CORBA.ORB _orb;
    private ORBUtilSystemException wrapper ;

    public ContextImpl(org.omg.CORBA.ORB orb)
    {
        _orb = orb;
        wrapper = ORBUtilSystemException.get(
            (com.sun.corba.se.spi.orb.ORB)orb,
            CORBALogDomains.RPC_PRESENTATION ) ;
    }

    public ContextImpl(Context parent)
    {
        throw wrapper.contextNotImplemented() ;
    }

    public String context_name()
    {
        throw wrapper.contextNotImplemented() ;
    }

    public Context parent()
    {
        throw wrapper.contextNotImplemented() ;
    }

    public Context create_child(String name)
    {
        throw wrapper.contextNotImplemented() ;
    }

    public void set_one_value(String propName, Any propValue)
    {
        throw wrapper.contextNotImplemented() ;
    }

    public void set_values(NVList values)
    {
        throw wrapper.contextNotImplemented() ;
    }


    public void delete_values(String propName)
    {
        throw wrapper.contextNotImplemented() ;
    }

    public NVList get_values(String startScope,
                             int opFlags,
                             String propName)
    {
        throw wrapper.contextNotImplemented() ;
    }
};

⏎ com/sun/corba/se/impl/corba/ContextImpl.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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