Reverses the order of the given long type value array. : Array Sort Search « Collections Data Structure « Java






  1. Java
  2. Collections Data Structure
  3. Array Sort Search

Reverses the order of the given long type value array.

       

/* 
 * 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
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 *
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 */


/**
 * @author Stephen Colebourne
 * @author Moritz Petersen
 * @author <a href="mailto:fredrik@westermarck.com">Fredrik Westermarck</a>
 * @author Nikolay Metchev
 * @author Matthew Hawthorne
 * @author Tim O'Brien
 * @author Pete Gieser
 * @author Gary Gregory
 * @author <a href="mailto:equinus100@hotmail.com">Ashwin S</a>
 * @author Maarten Coene
 * @since 2.0
 * @version $Id: ArrayUtils.java 632503 2008-03-01 00:21:52Z ggregory $
 */
public class Main {

  /**
   * <p>Reverses the order of the given array.</p>
   * 
   * <p>This method does nothing for a <code>null</code> input array.</p>
   * 
   * @param array  the array to reverse, may be <code>null</code>
   */
  public static void reverse(long[] array) {
      if (array == null) {
          return;
      }
      int i = 0;
      int j = array.length - 1;
      long tmp;
      while (j > i) {
          tmp = array[j];
          array[j] = array[i];
          array[i] = tmp;
          j--;
          i++;
      }
  }
}








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