how to remove whitespace from string in java

/**
 * @author lautturi.com
 * Java example: java remove all whitespace from string 
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		String str = "hello 	lautturi java world!	";
		str = str.replaceAll("\\s+","");
		System.out.println(str);

	}
}

output:

hellolautturijavaworld!