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/ior/NewObjectKeyTemplateBase.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.impl.ior;

import java.io.IOException ;

import org.omg.CORBA_2_3.portable.InputStream ;
import org.omg.CORBA_2_3.portable.OutputStream ;

import com.sun.corba.se.spi.ior.ObjectId ;
import com.sun.corba.se.spi.ior.ObjectAdapterId ;
import com.sun.corba.se.spi.ior.ObjectKeyFactory ;

import com.sun.corba.se.spi.ior.iiop.GIOPVersion ;

import com.sun.corba.se.spi.orb.ORB ;
import com.sun.corba.se.spi.orb.ORBVersion ;
import com.sun.corba.se.spi.orb.ORBVersionFactory ;

import com.sun.corba.se.impl.ior.ObjectKeyFactoryImpl ;

public abstract class NewObjectKeyTemplateBase extends ObjectKeyTemplateBase
{
    public NewObjectKeyTemplateBase( ORB orb, int magic, int scid, int serverid,
        String orbid, ObjectAdapterId oaid )
    {
        super( orb, magic, scid, serverid, orbid, oaid ) ;
        // subclass must set the version, since we don't have the object key here.

        if (magic != ObjectKeyFactoryImpl.JAVAMAGIC_NEWER)
            throw wrapper.badMagic( new Integer( magic ) ) ;
    }

    public void write(ObjectId objectId, OutputStream os)
    {
        super.write( objectId, os ) ;
        getORBVersion().write( os ) ;
    }

    public void write(OutputStream os)
    {
        super.write( os ) ;
        getORBVersion().write( os ) ;
    }

    protected void setORBVersion( InputStream is )
    {
        ORBVersion version = ORBVersionFactory.create( is ) ;
        setORBVersion( version ) ;
    }
}

⏎ com/sun/corba/se/impl/ior/NewObjectKeyTemplateBase.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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