java split string without removing delimiter

/**
 * @author lautturi.com 
 * Java example:split a string without removing delimiter in java
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args){
		
		String string = "123-456-789";
		String[] arr = string.replace("-", "#-").split("#"); 

		System.out.println(string);
		System.out.println(Arrays.toString(arr));
		
	}
}

output:

123-456-789
[123, -456, -789]