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/orb/DataCollector.java

/*
 * Copyright (c) 2002, 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.orb ;

import java.applet.Applet ;
import java.util.Properties ;
import java.util.Vector ;

/** Interface for collecting all sources of ORB configuration properties
 * into a single properties object.   A PropertyParser is needed so that
 * the set of property names of interest is known.
 */
public interface DataCollector {
    /** Return true iff this DataCollector was created from
     * applet data.
     */
    boolean isApplet() ;

    /** Return true iff the local host and ORB initial host are the same.
    * This is provided to avoid exposing the local host in insecure
    * contexts.
    */
    boolean initialHostIsLocal() ;

    /** Set the parser which is used to obtain property names.
     * This must be called before getProperties
     * may be called.  It may be called multiple times if different
     * sets of properties are needed for the same data sources.
     */
    void setParser( PropertyParser parser ) ;

    /** Return the consolidated property information to be used
     * for ORB configuration.  Note that -ORBInitRef arguments are
     * handled specially: all -ORBInitRef name=value arguments are
     * converted into ( org.omg.CORBA.ORBInitRef.name, value )
     * mappings in the resulting properties.  Also, -ORBInitialServices
     * is handled specially in applet mode: they are converted from
     * relative to absolute URLs.
     * @raises IllegalStateException if setPropertyNames has not
     * been called.
     */
    Properties getProperties() ;
}

⏎ com/sun/corba/se/spi/orb/DataCollector.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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