Java 1.5 (5.0) new features: StringBuilder : StringBuilder « Development Class « Java

Java 1.5 (5.0) new features: StringBuilder

Java 1.5 (5.0) new features: StringBuilder
License for Java 1.5 'Tiger': A Developer's Notebook
     (O'Reilly) example package

Java 1.5 'Tiger': A Developer's Notebook (O'Reilly) 
by Brett McLaughlin and David Flanagan.
ISBN: 0-596-00738-8

You can use the examples and the source code any way you want, but
please include a reference to where it comes from if you use it in
your own products or services. Also note that this software is
provided by the author "as is", with no expressed or implied warranties. 
In no event shall the author be liable for any direct or indirect
damages arising in any way out of the use of this software.

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class StringBuilderTester {

  public static String appendItems(List list) {
    StringBuilder b = new StringBuilder();

    for (Iterator i = list.iterator(); i.hasNext(); ) {
       .append(" ");

    return b.toString();

  public static void main(String[] args) {
    List list = new ArrayList();



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