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Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang. The code is tested using the latest revision of the JDK for supported LTS releases: 8, 11, 17 and 21 currently. See https://github.com/apache/commons-lang/blob/master/.github/workflows/maven.yml Please ensure your build environment is up-to-date and kindly report any build issues.

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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
 *
 *      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.
 */
/**
 * Extends {@link java.math} for business mathematical classes.
 * This package is intended for business mathematical use, not scientific use.
 * See Commons Math for a more complete set of mathematical classes.
 * These classes are immutable, and therefore thread-safe.
 *
 * Although Commons Math also exists, some basic mathematical functions are contained within Lang.
 * These include classes to a {@link org.apache.commons.lang3.math.Fraction} class, various utilities for random numbers, and the flagship class, {@link org.apache.commons.lang3.math.NumberUtils} which contains a handful of classic number functions.
 *
 * There are two aspects of this package that should be highlighted.
 * The first is {@link org.apache.commons.lang3.math.NumberUtils#createNumber(String)}, a method which does its best to convert a String into a {@link java.lang.Number} object.
 * You have no idea what type of Number it will return, so you should call the relevant {@code xxxValue} method when you reach the point of needing a number.
 * NumberUtils also has a related {@link org.apache.commons.lang3.math.NumberUtils#isCreatable(String)} method.
 *
 * @since 2.0
 */
package org.apache.commons.lang3.math;