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 javax.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.

⏎ javax/management/relation/RoleStatus.java

/*
 * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 *
 */

package javax.management.relation;

/**
 * This class describes the various problems which can be encountered when
 * accessing a role.
 *
 * @since 1.5
 */
public class RoleStatus {

    //
    // Possible problems
    //

    /**
     * Problem type when trying to access an unknown role.
     */
    public static final int NO_ROLE_WITH_NAME = 1;
    /**
     * Problem type when trying to read a non-readable attribute.
     */
    public static final int ROLE_NOT_READABLE = 2;
    /**
     * Problem type when trying to update a non-writable attribute.
     */
    public static final int ROLE_NOT_WRITABLE = 3;
    /**
     * Problem type when trying to set a role value with less ObjectNames than
     * the minimum expected cardinality.
     */
    public static final int LESS_THAN_MIN_ROLE_DEGREE = 4;
    /**
     * Problem type when trying to set a role value with more ObjectNames than
     * the maximum expected cardinality.
     */
    public static final int MORE_THAN_MAX_ROLE_DEGREE = 5;
    /**
     * Problem type when trying to set a role value including the ObjectName of
     * a MBean not of the class expected for that role.
     */
    public static final int REF_MBEAN_OF_INCORRECT_CLASS = 6;
    /**
     * Problem type when trying to set a role value including the ObjectName of
     * a MBean not registered in the MBean Server.
     */
    public static final int REF_MBEAN_NOT_REGISTERED = 7;

    /**
     * Returns true if given value corresponds to a known role status, false
     * otherwise.
     *
     * @param status a status code.
     *
     * @return true if this value is a known role status.
     */
    public static boolean isRoleStatus(int status) {
        if (status != NO_ROLE_WITH_NAME &&
            status != ROLE_NOT_READABLE &&
            status != ROLE_NOT_WRITABLE &&
            status != LESS_THAN_MIN_ROLE_DEGREE &&
            status != MORE_THAN_MAX_ROLE_DEGREE &&
            status != REF_MBEAN_OF_INCORRECT_CLASS &&
            status != REF_MBEAN_NOT_REGISTERED) {
            return false;
        }
        return true;
    }
}

⏎ javax/management/relation/RoleStatus.java

Or download all of them as a single archive file:

File name: jre-rt-javax-1.8.0_191-src.zip
File size: 5381005 bytes
Release date: 2018-10-28
Download 

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⇐ JRE 8 rt.jar - java.* Package Source Code

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