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/awt/dnd/peer/DragSourceContextPeer.java

/*
 * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package java.awt.dnd.peer;

import java.awt.Cursor;
import java.awt.Image;
import java.awt.Point;
import java.awt.dnd.DragSourceContext;
import java.awt.dnd.InvalidDnDOperationException;


/**
 * <p>
 * This interface is supplied by the underlying window system platform to
 * expose the behaviors of the Drag and Drop system to an originator of
 * the same
 * </p>
 *
 * @since 1.2
 *
 */

public interface DragSourceContextPeer {

    /**
     * start a drag
     */

    void startDrag(DragSourceContext dsc, Cursor c, Image dragImage, Point imageOffset) throws InvalidDnDOperationException;

    /**
     * return the current drag cursor
     */

    Cursor getCursor();

    /**
     * set the current drag cursor
     */

    void setCursor(Cursor c) throws InvalidDnDOperationException;

    /**
     * notify the peer that the Transferables DataFlavors have changed
     */

    void transferablesFlavorsChanged();
}

⏎ java/awt/dnd/peer/DragSourceContextPeer.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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