JRE 8 rt.jar - com.* Package Source Code

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.

✍: FYIcenter

com/sun/corba/se/impl/orbutil/DenseIntMapImpl.java

/*
 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.corba.se.impl.orbutil ;

import java.util.ArrayList ;

/** Utility for managing mappings from densely allocated integer
 * keys to arbitrary objects.  This should only be used for
 * keys in the range 0..max such that "most" of the key space is actually
 * used.
 */
public class DenseIntMapImpl
{
    private ArrayList list = new ArrayList() ;

    private void checkKey( int key )
    {
        if (key < 0)
            throw new IllegalArgumentException( "Key must be >= 0." ) ;
    }

    /** If key >= 0, return the value bound to key, or null if none.
     * Throws IllegalArgumentException if key <0.
     */
    public Object get( int key )
    {
        checkKey( key ) ;

        Object result = null ;
        if (key < list.size())
            result = list.get( key ) ;

        return result ;
    }

    /** If key >= 0, bind value to the key.
     * Throws IllegalArgumentException if key <0.
     */
    public void set( int key, Object value )
    {
        checkKey( key ) ;
        extend( key ) ;
        list.set( key, value ) ;
    }

    private void extend( int index )
    {
        if (index >= list.size()) {
            list.ensureCapacity( index + 1 ) ;
            int max = list.size() ;
            while (max++ <= index)
                list.add( null ) ;
        }
    }
}

com/sun/corba/se/impl/orbutil/DenseIntMapImpl.java

 

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