Check for character is letter or digit.


 

Check for character is letter or digit.

This example checks for character variable value is letter or digit.

This example checks for character variable value is letter or digit.
Description

Description:

This tutorial demonstrate how to check a character variable value is a digit or letter using isLetterOrDigit() method.

Code:

public class LetterOrDigit {
  public static void main(String[] args) {
    char symbol = '1';
    if (Character.isLetterOrDigit(symbol)) {
      System.out.println("true");
    } else {
      System.out.println("false");
    }
    char symbol1 = 'A';
    if (Character.isLetterOrDigit(symbol1)) {
      System.out.println("true");
    } else {
      System.out.println("false");
    }
  }
}

Output:

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