Concatenates two arrays of strings : Auto Grow Array « Collections « Java Tutorial






  1. Java Tutorial
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  3. Auto Grow Array
/*
 * Copyright 2000,2005 wingS development team.
 *
 * This file is part of wingS (http://wingsframework.org).
 *
 * wingS 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.
 *
 * Please see COPYING for the complete licence.
 */

import java.util.StringTokenizer;

/**
 * Some string manipulation utilities.
 *
 * @author <a href="mailto:haaf@mercatis.de">Armin Haaf</a>
 */
public class StringUtil {

  /**
   * concatenates two arrays of strings.
   *
   * @param s1 the first array of strings.
   * @param s2 the second array of strings.
   * @return the resulting array with all strings in s1 and s2
   */
  public static final String[] concat(String[] s1, String[] s2) {
      String[] erg = new String[s1.length + s2.length];

      System.arraycopy(s1, 0, erg, 0, s1.length);
      System.arraycopy(s2, 0, erg, s1.length, s2.length);

      return erg;
  }
  
}








9.10.Auto Grow Array
9.10.1.A variable length Double Array: expanding and contracting its internal storage array as elements are added and removed.
9.10.2.Simple object pool. Based on ThreadPool and few other classes
9.10.3.Your own auto-growth Array
9.10.4.The character array based string
9.10.5.ByteArray wraps java byte arrays (byte[]) to allow byte arrays to be used as keys in hashtables.
9.10.6.Adds all the elements of the given arrays into a new double-type array.
9.10.7.A writer for char strings
9.10.8.Array-List for integer objects.
9.10.9.Simple object pool
9.10.10.Concatenates two arrays of strings
9.10.11.Puts the entire source array in the target array at offset offset.
9.10.12.Lazy List creation
9.10.13.Stores a list of int