Check if the given object is an array (primitve or native). : Array Objects « Collections « Java Tutorial






import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This 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 software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

public class Main {
  
  /**
   * Check if the given object is an array (primitve or native).
   *
   * @param obj  Object to test.
   * @return     True of the object is an array.
   */
  public static boolean isArray(final Object obj) {
     if (obj != null)
        return obj.getClass().isArray();
     return false;
  }
}








9.6.Array Objects
9.6.1.Arrays of Objects
9.6.2.Arrays of Strings: using 'new' operator
9.6.3.Arrays of Strings: initial values determine the size of the array
9.6.4.Demonstrate String arrays.
9.6.5.Checks whether two arrays are the same length, treating null arrays as length 0.
9.6.6.Checks whether two arrays are the same type taking into account multi-dimensional arrays.
9.6.7.Turn an array of ints into a printable string.
9.6.8.Check if the given object is an array (primitve or native).
9.6.9.Reverses the order of the given long type value array.
9.6.10.Removes the first occurrence of the specified element from the specified array.
9.6.11.Removes the element at the specified position from the specified array.