Cast String to int....*Solved*

Ok I have a car number like this

DJ44444

in a String object. Now I want the three numbers in the middle to be casted to a int. I know I kan use substring() to get the numbers out into a new string, but how do I convert them to an integer variable? This might be a dumb question but please answer. Thanks.

I got it....It was a stupid mistake...

Sorry. I just couldn't resist. :D

Code:

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public class Z{
  public static void main(String[] args){
    String s = new String("DJ12345");
    String s2 = s.substring(2,5);
    int i = Integer.parseInt(s2);
    System.out.println(i + i);
  }
 }

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It's ok....I just didn't think that parseInt was the right function. It said throws numberFormatException an I was scared and did run away...:D