Digit.java |
1 | public class Digit { |
2 | static int getDigit(char c) { |
3 | // subtract the zero character's value from c |
4 | return c - '0'; |
5 | } |
6 | public static void main(String[] args) { |
7 | String digits = "0123456789"; |
8 | for(int i=0;i<digits.length();i++) |
9 | System.out.println("digit = "+getDigit(digits.charAt(i))); |
10 | } |
11 | } |
$ javac Digit.java
|
$ java Digit
digit = 0
digit = 1
digit = 2
digit = 3
digit = 4
digit = 5
digit = 6
digit = 7
digit = 8
digit = 9
|