Java convert an arraylist to a string

/**
 * @author lautturi.com 
 * Java example: java convert list into string
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {

		ArrayList<String> list = new ArrayList<String>();
		list.add("lautturi");
		list.add("java");
		list.add("world");

		StringBuilder sb = new StringBuilder();
		for (String s : list)
		{
		    sb.append(s);
		    sb.append("\t");
		}

		String string = sb.toString();

		System.out.println(string);

	}
}

output:

lautturi	java	world