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/ior/TaggedProfileTemplate.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.spi.ior;

import java.util.List ;
import java.util.Iterator ;

import org.omg.CORBA_2_3.portable.OutputStream ;

import com.sun.corba.se.spi.ior.Identifiable ;
import com.sun.corba.se.spi.ior.Writeable ;
import com.sun.corba.se.spi.ior.ObjectId ;
import com.sun.corba.se.spi.ior.WriteContents ;

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

/** Base template for creating TaggedProfiles.  A TaggedProfile will often contain
* tagged components.  A template that does not contain components acts like
* an empty immutable list.
*
* @author Ken Cavanaugh
*/
public interface TaggedProfileTemplate extends List, Identifiable,
    WriteContents, MakeImmutable
{
    /** Return an iterator that iterates over tagged components with
    * identifier id.  It is not possible to modify the list through this
    * iterator.
    */
    public Iterator iteratorById( int id ) ;

    /** Create a TaggedProfile from this template.
    */
    TaggedProfile create( ObjectKeyTemplate oktemp, ObjectId id ) ;

    /** Write the profile create( oktemp, id ) to the OutputStream os.
    */
    void write( ObjectKeyTemplate oktemp, ObjectId id, OutputStream os) ;

    /** Return true if temp is equivalent to this template.  Equivalence
     * means that in some sense an invocation on a profile created by this
     * template has the same results as an invocation on a profile
     * created from temp.  Equivalence may be weaker than equality.
     */
    boolean isEquivalent( TaggedProfileTemplate temp );

    /** Return the tagged components in this profile (if any)
     * in the GIOP marshalled form, which is required for Portable
     * Interceptors.  Returns null if either the profile has no
     * components, or if this type of profile can never contain
     * components.
     */
    org.omg.IOP.TaggedComponent[] getIOPComponents(
        ORB orb, int id );
}

⏎ com/sun/corba/se/spi/ior/TaggedProfileTemplate.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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