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/spi/protocol/CorbaProtocolHandler.java

/*
 * Copyright (c) 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.spi.protocol;

import org.omg.CORBA.CompletionStatus;
import org.omg.CORBA.SystemException;
import org.omg.CORBA.portable.UnknownException;

import com.sun.corba.se.pept.protocol.ProtocolHandler;

import com.sun.corba.se.spi.ior.IOR ;
import com.sun.corba.se.spi.protocol.CorbaMessageMediator;

import com.sun.corba.se.spi.servicecontext.ServiceContexts;
import com.sun.corba.se.impl.protocol.giopmsgheaders.LocateRequestMessage;
import com.sun.corba.se.impl.protocol.giopmsgheaders.RequestMessage;

/**
 * @author Harold Carr
 */
public interface CorbaProtocolHandler
    extends ProtocolHandler
{
    public void handleRequest(RequestMessage header,
                              CorbaMessageMediator messageMediator);

    public void handleRequest(LocateRequestMessage header,
                              CorbaMessageMediator messageMediator);

    public CorbaMessageMediator createResponse(
        CorbaMessageMediator messageMediator,
        ServiceContexts svc);
    public CorbaMessageMediator createUserExceptionResponse(
        CorbaMessageMediator messageMediator,
        ServiceContexts svc);
    public CorbaMessageMediator createUnknownExceptionResponse(
        CorbaMessageMediator messageMediator,
        UnknownException ex);
    public CorbaMessageMediator createSystemExceptionResponse(
        CorbaMessageMediator messageMediator,
        SystemException ex,
        ServiceContexts svc);
    public CorbaMessageMediator createLocationForward(
        CorbaMessageMediator messageMediator,
        IOR ior,
        ServiceContexts svc);

    public void handleThrowableDuringServerDispatch(
        CorbaMessageMediator request,
        Throwable exception,
        CompletionStatus completionStatus);

}

// End of file.

⏎ com/sun/corba/se/spi/protocol/CorbaProtocolHandler.java

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