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/PortableActivationIDL/_ORBProxyStub.java

package com.sun.corba.se.PortableActivationIDL;


/**
* com/sun/corba/se/PortableActivationIDL/_ORBProxyStub.java .
* Generated by the IDL-to-Java compiler (portable), version "3.2"
* from c:/re/workspace/8-2-build-windows-amd64-cygwin/jdk8u191/11896/corba/src/share/classes/com/sun/corba/se/PortableActivationIDL/activation.idl
* Saturday, October 6, 2018 9:30:40 AM PDT
*/


/** ORB callback interface, passed to Activator in registerORB method.
    */
public class _ORBProxyStub extends org.omg.CORBA.portable.ObjectImpl implements com.sun.corba.se.PortableActivationIDL.ORBProxy
{


  /** Method used to cause ORB to activate the named adapter, if possible.
	* This will cause the named POA to register itself with the activator as
	* a side effect.  This should always happen before this call can complete.
	* This method returns true if adapter activation succeeded, otherwise it
	* returns false.
	*/
  public boolean activate_adapter (String[] name)
  {
            org.omg.CORBA.portable.InputStream $in = null;
            try {
                org.omg.CORBA.portable.OutputStream $out = _request ("activate_adapter", true);
                org.omg.PortableInterceptor.AdapterNameHelper.write ($out, name);
                $in = _invoke ($out);
                boolean $result = $in.read_boolean ();
                return $result;
            } catch (org.omg.CORBA.portable.ApplicationException $ex) {
                $in = $ex.getInputStream ();
                String _id = $ex.getId ();
                throw new org.omg.CORBA.MARSHAL (_id);
            } catch (org.omg.CORBA.portable.RemarshalException $rm) {
                return activate_adapter (name        );
            } finally {
                _releaseReply ($in);
            }
  } // activate_adapter

  // Type-specific CORBA::Object operations
  private static String[] __ids = {
    "IDL:PortableActivationIDL/ORBProxy:1.0"};

  public String[] _ids ()
  {
    return (String[])__ids.clone ();
  }

  private void readObject (java.io.ObjectInputStream s) throws java.io.IOException
  {
     String str = s.readUTF ();
     String[] args = null;
     java.util.Properties props = null;
     org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init (args, props);
   try {
     org.omg.CORBA.Object obj = orb.string_to_object (str);
     org.omg.CORBA.portable.Delegate delegate = ((org.omg.CORBA.portable.ObjectImpl) obj)._get_delegate ();
     _set_delegate (delegate);
   } finally {
     orb.destroy() ;
   }
  }

  private void writeObject (java.io.ObjectOutputStream s) throws java.io.IOException
  {
     String[] args = null;
     java.util.Properties props = null;
     org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init (args, props);
   try {
     String str = orb.object_to_string (this);
     s.writeUTF (str);
   } finally {
     orb.destroy() ;
   }
  }
} // class _ORBProxyStub

⏎ com/sun/corba/se/PortableActivationIDL/_ORBProxyStub.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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