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/agent/SnmpTableCallbackHandler.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.agent;

import javax.management.ObjectName;
import com.sun.jmx.snmp.SnmpStatusException;
import com.sun.jmx.snmp.SnmpOid;
import com.sun.jmx.snmp.agent.SnmpMibTable;

/**
 * This interface ensures the synchronization between Metadata table objects
 * and bean-like table objects.
 *
 * It is used between mibgen generated table meta and table classes.
 * <p><b><i>
 * You should never need to use this interface directly.
 * </p></b></i>
 *
 * <p><b>This API is a Sun Microsystems internal API  and is subject
 * to change without notice.</b></p>
 **/
public interface SnmpTableCallbackHandler {
    /**
     * This method is called by the SNMP runtime after a new entry
     * has been added to the table.
     *
     * If an SnmpStatusException is raised, the entry will be removed
     * and the operation will be aborted. In this case, the removeEntryCb()
     * callback will not be called.
     *
     * <p><b><i>
     * You should never need to use this method directly.
     * </p></b></i>
     *
     **/
    public void addEntryCb(int pos, SnmpOid row, ObjectName name,
                           Object entry, SnmpMibTable meta)
        throws SnmpStatusException;

    /**
     * This method is called by the SNMP runtime after a new entry
     * has been removed from the table.
     *
     * If raised, SnmpStatusException will be ignored.
     *
     * <p><b><i>
     * You should never need to use this method directly.
     * </p></b></i>
     *
     **/
    public void removeEntryCb(int pos, SnmpOid row, ObjectName name,
                              Object entry, SnmpMibTable meta)
        throws SnmpStatusException;
}

⏎ com/sun/jmx/snmp/agent/SnmpTableCallbackHandler.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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