Get byte array from String in java

/**
 * @author lautturi.com 
 * Java example: String to byte array in java
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {
		String str = "hello lautturi java world!";
		byte[] b = str.getBytes();
		System.out.println(Arrays.toString(b));
	}
}

output:

[104, 101, 108, 108, 111, 32, 108, 97, 117, 116, 116, 117, 114, 105, 32, 106, 97, 118, 97, 32, 119, 111, 114, 108, 100, 33]