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/jmx/snmp/daemon/SnmpInformHandler.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.jmx.snmp.daemon ;

// JMX imports
//
import com.sun.jmx.snmp.SnmpDefinitions;
import com.sun.jmx.snmp.SnmpVarBindList;

/**
 * Provides the callback methods that are required to be implemented by the application
 * when an inform response is received by the agent.
 * <P>
 * Each inform request can be provided with an object that implements this callback
 * interface. An application then uses the SNMP adaptor to start an SNMP inform request,
 * which marks the request as active. The methods in this callback interface
 * get invoked when any of the following happens:
 * <P>
 * <UL>
 * <LI> The agent receives the SNMP inform response.
 * <LI> The agent does not receive any response within a specified time and the number of tries
 * have exceeded the limit (timeout condition).
 * <LI> An internal error occurs while processing or parsing the inform request.
 * </UL>
 * <p><b>This API is a Sun Microsystems internal API  and is subject
 * to change without notice.</b></p>
 */

public interface SnmpInformHandler extends SnmpDefinitions {

    /**
     * This callback is invoked when a manager responds to an SNMP inform request.
     * The callback should check the error status of the inform request to determine
     * the kind of response.
     *
     * @param request The <CODE>SnmpInformRequest</CODE> associated with this callback.
     * @param errStatus The status of the request.
     * @param errIndex The index in the list that caused the error.
     * @param vblist The <CODE>Response varBind</CODE> list for the successful request.
     */
    public abstract void processSnmpPollData(SnmpInformRequest request, int errStatus, int errIndex, SnmpVarBindList vblist);

    /**
     * This callback is invoked when a manager does not respond within the
     * specified timeout value to the SNMP inform request. The number of tries have also
     * been exhausted.
     * @param request The <CODE>SnmpInformRequest</CODE> associated with this callback.
     */
    public abstract void processSnmpPollTimeout(SnmpInformRequest request);

    /**
     * This callback is invoked when any form of internal error occurs.
     * @param request The <CODE>SnmpInformRequest</CODE> associated with this callback.
     * @param errmsg The <CODE>String</CODE> describing the internal error.
     */
    public abstract void processSnmpInternalError(SnmpInformRequest request, String errmsg);
}

⏎ com/sun/jmx/snmp/daemon/SnmpInformHandler.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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