commons-lang-2.6.jar - Apache Commons Lang

commons-lang-2.6.jar is the JAR file for Apache Commons Lang 2.6, which provides a host of helper utilities for the java.lang API.

JAR File Size and Download Location:

File name: commons-lang-2.6.jar
File size: 284220 bytes
Date modified: 01/13/2011
Download: Apache Commons Lang Website

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 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.commons.lang.mutable;

 * Provides mutable access to a value.
 * <p>
 * <code>Mutable</code> is used as a generic interface to the implementations in this package.
 * <p>
 * A typical use case would be to enable a primitive or string to be passed to a method and allow that method to
 * effectively change the value of the primitive/string. Another use case is to store a frequently changing primitive in
 * a collection (for example a total in a map) without needing to create new Integer/Long wrapper objects.
 * @author Apache Software Foundation
 * @author Matthew Hawthorne
 * @since 2.1
 * @version $Id: 905636 2010-02-02 14:03:32Z niallp $
public interface Mutable {

     * Gets the value of this mutable.
     * @return the stored value
    Object getValue();

     * Sets the value of this mutable.
     * @param value
     *            the value to store
     * @throws NullPointerException
     *             if the object is null and null is invalid
     * @throws ClassCastException
     *             if the type is invalid
    void setValue(Object value);




commons-lang-1.0.1.jar - Apache Commons Lang

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