Check for character is digit or not.


 

Check for character is digit or not.

This example check for the character is digit or not. It returns Boolean value.

This example check for the character is digit or not. It returns Boolean value.

Description:

This tutorial demonstrate the use of Character.isDigit() method which checks whether the value stored in char data-type variable is digit or not.

Code:

public class CheckDigit {
  public static void main(String[] args) {
    char charNoVar = '1';
    if (Character.isDigit(charNoVar)) {
      System.out.println("true");
    else {
      System.out.println("false");
    }
    char charVar = 'A';
    if (Character.isDigit(charVar)) {
      System.out.println("true");
    else {
      System.out.println("false");
    }
  }
}

Output:

Download this code

Ads