Java Data Type Tutorial - Java Character.isDigit(char ch)

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Syntax

Character.isDigit(char ch) has the following syntax.

public static boolean isDigit(char ch)

Example

In the following code shows how to use Character.isDigit(char ch) method.

public class Main{
   public static void main(String[] args) {
     for(char ch = Character.MIN_VALUE;ch<Character.MAX_VALUE;ch++){
       if(Character.isDigit(ch)){
         String s = String.format ("\\u%04x", (int)ch);
         System.out.println(s);/*  w  ww .j  av a 2 s .  c  o m*/
       }
     }     
   }
}

The code above generates the following result.

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