java convert string to reader

/**
 * @author lautturi.com 
 * Java example: Java reader from string 
 */

import java.util.*;
import java.io.*;

public class Lautturi {
    
	public static void main(String[] args) throws NumberFormatException, IOException  {
		String str = "welcome to lauttur! \njava world!";
	    BufferedReader br = new BufferedReader(new StringReader(str));
	    String line = br.readLine();
	    System.out.println(line);
	}
}

output:

welcome to lauttur!