Returns true if all the references in array1 are equal to all the references in array2 (two null references are considered equal for this test). : Array Sort Search « Collections « Java Tutorial

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Java Tutorial » Collections » Array Sort Search 
9.8.13.Returns true if all the references in array1 are equal to all the references in array2 (two null references are considered equal for this test).Previous/Next
/* 
 * JCommon : a free general purpose class library for the Java(tm) platform
 
 *
 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
 *
 * Project Info:  http://www.jfree.org/jcommon/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -------------------
 * ArrayUtilities.java
 * -------------------
 * (C) Copyright 2003-2005, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: ArrayUtilities.java,v 1.7 2008/09/10 09:21:30 mungady Exp $
 *
 * Changes
 * -------
 * 21-Aug-2003 : Version 1 (DG);
 * 04-Oct-2004 : Renamed ArrayUtils --> ArrayUtilities (DG);
 *
 */

public class Main {

  /**
   * Returns <code>true</code> if all the references in <code>array1</code>
   * are equal to all the references in <code>array2</code> (two
   * <code>null</code> references are considered equal for this test).
   *
   @param array1  the first array (<code>null</code> permitted).
   @param array2  the second array (<code>null</code> permitted).
   *
   @return A boolean.
   */
  public static boolean equalReferencesInArrays(final Object[] array1,
                                                final Object[] array2) {
      if (array1 == null) {
          return (array2 == null);
      }
      if (array2 == null) {
          return false;
      }
      if (array1.length != array2.length) {
          return false;
      }
      for (int i = 0; i < array1.length; i++) {
          if (array1[i== null) {
              if (array2[i!= null) {
                  return false;
              }
          }
          if (array2[i== null) {
              if (array1[i!= null) {
                  return false;
              }
          }
          if (array1[i!= array2[i]) {
              return false;
          }
      }
      return true;
  }

}
9.8.Array Sort Search
9.8.1.Sorting Arrays
9.8.2.Sorting a subset of array elements
9.8.3.Sorting arrays of objects
9.8.4.Object Arrays: Searching for elements in a sorted object array
9.8.5.Searching Arrays
9.8.6.Finds the index of the given object in the array starting at the given index.
9.8.7.Finds the index of the given object in the array.
9.8.8.Finds the last index of the given object in the array starting at the given index.
9.8.9.Finds the value in the range (start,limit) of the largest element (rank) where the count of all smaller elements in that range is less than or equals target.
9.8.10.Returns an index into arra (or -1) where the character is not in the charset byte array.
9.8.11.Returns an int[] array of length segments containing the distribution count of the elements in unsorted int[] array with values between min and max (range).
9.8.12.Returns the minimum value in an array.
9.8.13.Returns true if all the references in array1 are equal to all the references in array2 (two null references are considered equal for this test).
9.8.14.Get the element index or last index among a boolean type array
9.8.15.Produces a new array containing the elements between the start and end indices.
9.8.16.Test the equality of two object arrays
9.8.17.Get the index and last index of an int type value array
9.8.18.FastQSorts the [l,r] partition (inclusive) of the specfied array of Rows, using the comparator.
9.8.19.Sort array utilities
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