isnumber java

1// find value is number or not in java..
2// if the value is number output is true 
3// if the value is not a number then output is false.. 
4
5
6public class Test {
7
8   public static void main(String args[]) {
9      System.out.println(Character.isDigit('c')); // false 
10      System.out.println(Character.isDigit('5')); // true
11   }
12}