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/xerces/internal/impl/xs/models/XSCMRepeatingLeaf.java

/*
 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

package com.sun.org.apache.xerces.internal.impl.xs.models;

/**
 * A compound content model leaf node which carries occurence information.
 *
 * @xerces.internal
 *
 * @author Michael Glavassevich, IBM
 * @version $Id: XSCMRepeatingLeaf.java,v 1.1 2010/08/06 23:49:43 joehw Exp $
 */
public final class XSCMRepeatingLeaf extends XSCMLeaf {

    private final int fMinOccurs;
    private final int fMaxOccurs;

    public XSCMRepeatingLeaf(int type, Object leaf,
            int minOccurs, int maxOccurs, int id, int position) {
        super(type, leaf, id, position);
        fMinOccurs = minOccurs;
        fMaxOccurs = maxOccurs;
    }

    final int getMinOccurs() {
        return fMinOccurs;
    }

    final int getMaxOccurs() {
        return fMaxOccurs;
    }
}

⏎ com/sun/org/apache/xerces/internal/impl/xs/models/XSCMRepeatingLeaf.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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