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/org/apache/xalan/internal/xsltc/dom/ClonedNodeListIterator.java

/*
 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 2001-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id: ClonedNodeListIterator.java,v 1.2.4.1 2005/09/06 06:02:12 pvedula Exp $
 */

package com.sun.org.apache.xalan.internal.xsltc.dom;

import com.sun.org.apache.xml.internal.dtm.DTMAxisIterator;
import com.sun.org.apache.xml.internal.dtm.ref.DTMAxisIteratorBase;

/**
 * A ClonedNodeListIterator is returned by the cloneIterator() method
 * of a CachedNodeListIterator. Its next() method retrieves the nodes from
 * the cache of the CachedNodeListIterator.
 */
public final class ClonedNodeListIterator extends DTMAxisIteratorBase {

    /**
     * Source for this iterator.
     */
    private CachedNodeListIterator _source;
    private int _index = 0;

    public ClonedNodeListIterator(CachedNodeListIterator source) {
        _source = source;
    }

    public void setRestartable(boolean isRestartable) {
        //_isRestartable = isRestartable;
        //_source.setRestartable(isRestartable);
    }

    public DTMAxisIterator setStartNode(int node) {
        return this;
    }

    public int next() {
        return _source.getNode(_index++);
    }

    public int getPosition() {
        return _index == 0 ? 1 : _index;
    }

    public int getNodeByPosition(int pos) {
        return _source.getNode(pos);
    }

    public DTMAxisIterator cloneIterator() {
        return _source.cloneIterator();
    }

    public DTMAxisIterator reset() {
        _index = 0;
        return this;
    }

    public void setMark() {
        _source.setMark();
    }

    public void gotoMark() {
        _source.gotoMark();
    }
}

⏎ com/sun/org/apache/xalan/internal/xsltc/dom/ClonedNodeListIterator.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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