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/orb/PrefixParserAction.java

/*
 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
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 *
 *
 *
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 *
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 *
 *
 */

package com.sun.corba.se.impl.orb ;

import org.omg.CORBA.INITIALIZE ;

import java.util.Properties ;
import java.util.List ;
import java.util.LinkedList ;
import java.util.Iterator ;

import java.lang.reflect.Array ;

import com.sun.corba.se.spi.orb.Operation ;
import com.sun.corba.se.spi.orb.StringPair ;
import com.sun.corba.se.spi.logging.CORBALogDomains ;

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

public class PrefixParserAction extends ParserActionBase {
    private Class componentType ;
    private ORBUtilSystemException wrapper ;

    public PrefixParserAction( String propertyName,
        Operation operation, String fieldName, Class componentType )
    {
        super( propertyName, true, operation, fieldName ) ;
        this.componentType = componentType ;
        this.wrapper = ORBUtilSystemException.get(
            CORBALogDomains.ORB_LIFECYCLE ) ;
    }

    /** For each String s that matches the prefix given by getPropertyName(),
     * apply getOperation() to { suffix( s ), value }
     * and add the result to an Object[]
     * which forms the result of apply.  Returns null if there are no
     * matches.
     */
    public Object apply( Properties props )
    {
        String prefix = getPropertyName() ;
        int prefixLength = prefix.length() ;
        if (prefix.charAt( prefixLength - 1 ) != '.') {
            prefix += '.' ;
            prefixLength++ ;
        }

        List matches = new LinkedList() ;

        // Find all keys in props that start with propertyName
        Iterator iter = props.keySet().iterator() ;
        while (iter.hasNext()) {
            String key = (String)(iter.next()) ;
            if (key.startsWith( prefix )) {
                String suffix = key.substring( prefixLength ) ;
                String value = props.getProperty( key ) ;
                StringPair data = new StringPair( suffix, value ) ;
                Object result = getOperation().operate( data ) ;
                matches.add( result ) ;
            }
        }

        int size = matches.size() ;
        if (size > 0) {
            // Convert the list into an array of the proper type.
            // An Object[] as a result does NOT work.  Also report
            // any errors carefully, as errors here or in parsers that
            // use this Operation often show up at ORB.init().
            Object result = null ;
            try {
                result = Array.newInstance( componentType, size ) ;
            } catch (Throwable thr) {
                throw wrapper.couldNotCreateArray( thr,
                    getPropertyName(), componentType,
                    new Integer( size ) ) ;
            }

            Iterator iter2 = matches.iterator() ;
            int ctr = 0 ;
            while (iter2.hasNext()) {
                Object obj = iter2.next() ;

                try {
                    Array.set( result, ctr, obj ) ;
                } catch (Throwable thr) {
                    throw wrapper.couldNotSetArray( thr,
                        getPropertyName(), new Integer(ctr),
                        componentType, new Integer(size),
                        obj.toString() ) ;
                }
                ctr++ ;
            }

            return result ;
        } else
            return null ;
    }
}

⏎ com/sun/corba/se/impl/orb/PrefixParserAction.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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