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/iiop/IIOPAddressBase.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.iiop ;

import org.omg.CORBA.BAD_PARAM ;

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

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

/**
 * @author
 */
abstract class IIOPAddressBase implements IIOPAddress
{
    // Ports are marshalled as shorts on the wire.  The IDL
    // type is unsigned short, which lacks a convenient representation
    // in Java in the 32768-65536 range.  So, we treat ports as
    // ints throught this code, except that marshalling requires a
    // scaling conversion.  intToShort and shortToInt are provided
    // for this purpose.
    protected short intToShort( int value )
    {
        if (value > 32767)
            return (short)(value - 65536) ;
        return (short)value ;
    }

    protected int shortToInt( short value )
    {
        if (value < 0)
            return value + 65536 ;
        return value ;
    }

    public void write( OutputStream os )
    {
        os.write_string( getHost() ) ;
        int port = getPort() ;
        os.write_short( intToShort( port ) ) ;
    }

    public boolean equals( Object obj )
    {
        if (!(obj instanceof IIOPAddress))
            return false ;

        IIOPAddress other = (IIOPAddress)obj ;

        return getHost().equals(other.getHost()) &&
            (getPort() == other.getPort()) ;
    }

    public int hashCode()
    {
        return getHost().hashCode() ^ getPort() ;
    }

    public String toString()
    {
        return "IIOPAddress[" + getHost() + "," + getPort() + "]" ;
    }
}

⏎ com/sun/corba/se/impl/ior/iiop/IIOPAddressBase.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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