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

⏎ java/lang/reflect/ReflectPermission.java

/*
 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.lang.reflect;

/**
 * The Permission class for reflective operations.
 * <P>
 * The following table
 * provides a summary description of what the permission allows,
 * and discusses the risks of granting code the permission.
 *
 * <table border=1 cellpadding=5 summary="Table shows permission target name, what the permission allows, and associated risks">
 * <tr>
 * <th>Permission Target Name</th>
 * <th>What the Permission Allows</th>
 * <th>Risks of Allowing this Permission</th>
 * </tr>
 *
 * <tr>
 *   <td>suppressAccessChecks</td>
 *   <td>ability to suppress the standard Java language access checks
 *       on fields and methods in a class; allow access not only public members
 *       but also allow access to default (package) access, protected,
 *       and private members.</td>
 *   <td>This is dangerous in that information (possibly confidential) and
 *       methods normally unavailable would be accessible to malicious code.</td>
 * </tr>
 * <tr>
 *   <td>newProxyInPackage.{package name}</td>
 *   <td>ability to create a proxy instance in the specified package of which
 *       the non-public interface that the proxy class implements.</td>
 *   <td>This gives code access to classes in packages to which it normally
 *       does not have access and the dynamic proxy class is in the system
 *       protection domain. Malicious code may use these classes to
 *       help in its attempt to compromise security in the system.</td>
 * </tr>
 *
 * </table>
 *
 * @see java.security.Permission
 * @see java.security.BasicPermission
 * @see AccessibleObject
 * @see Field#get
 * @see Field#set
 * @see Method#invoke
 * @see Constructor#newInstance
 * @see Proxy#newProxyInstance
 *
 * @since 1.2
 */
public final
class ReflectPermission extends java.security.BasicPermission {

    private static final long serialVersionUID = 7412737110241507485L;

    /**
     * Constructs a ReflectPermission with the specified name.
     *
     * @param name the name of the ReflectPermission
     *
     * @throws NullPointerException if {@code name} is {@code null}.
     * @throws IllegalArgumentException if {@code name} is empty.
     */
    public ReflectPermission(String name) {
        super(name);
    }

    /**
     * Constructs a ReflectPermission with the specified name and actions.
     * The actions should be null; they are ignored.
     *
     * @param name the name of the ReflectPermission
     *
     * @param actions should be null
     *
     * @throws NullPointerException if {@code name} is {@code null}.
     * @throws IllegalArgumentException if {@code name} is empty.
     */
    public ReflectPermission(String name, String actions) {
        super(name, actions);
    }

}

⏎ java/lang/reflect/ReflectPermission.java

Or download all of them as a single archive file:

File name: jre-rt-java-1.8.0_191-src.zip
File size: 6664831 bytes
Release date: 2018-10-28
Download 

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