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/extension/RequestPartitioningPolicy.java

/*
 * Copyright (c) 2004, 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.extension ;

import org.omg.CORBA.Policy ;
import org.omg.CORBA.LocalObject ;

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

import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
import com.sun.corba.se.impl.orbutil.ORBConstants ;

/** Policy used to support the request partitioning feature and to
 *  specify the partition to use.
*/
public class RequestPartitioningPolicy extends LocalObject implements Policy
{
    private static ORBUtilSystemException wrapper =
        ORBUtilSystemException.get( CORBALogDomains.OA_IOR ) ;
    public final static int DEFAULT_VALUE = 0;
    private final int value;

    public RequestPartitioningPolicy( int value )
    {
        if (value < ORBConstants.REQUEST_PARTITIONING_MIN_THREAD_POOL_ID ||
            value > ORBConstants.REQUEST_PARTITIONING_MAX_THREAD_POOL_ID) {
            throw wrapper.invalidRequestPartitioningPolicyValue(
                  new Integer(value),
                  new Integer(
                      ORBConstants.REQUEST_PARTITIONING_MIN_THREAD_POOL_ID),
                  new Integer(
                      ORBConstants.REQUEST_PARTITIONING_MAX_THREAD_POOL_ID));
        }
        this.value = value;
    }

    public int getValue()
    {
        return value;
    }

    public int policy_type()
    {
        return ORBConstants.REQUEST_PARTITIONING_POLICY;
    }

    public org.omg.CORBA.Policy copy()
    {
        return this;
    }

    public void destroy()
    {
        // NO-OP
    }

    public String toString()
    {
        return "RequestPartitioningPolicy[" + value + "]" ;
    }
}

⏎ com/sun/corba/se/spi/extension/RequestPartitioningPolicy.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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