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

/*
 * 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