In this section, we will learn what the Character isDigit() method is and how to use it in Java.

What is Java Character isDigit() Method?

The `isDigit()` method is used to see if the target character is a digital number like `1`,`2`, `3` etc.

Java isDigit() Method Syntax:

static boolean isDigit(char ch)

isDigit() Method Parameters:

The isDigit() method takes one argument, and that is the character we want to check and see if it’s a digital number or not.

isDigit() Method Return Value:

The return value of this method is a boolean.

If the target character was a digital number, the return value will be `true` otherwise is `false`.

Example: using Character isDigit() method

public class Simple {

    public static void main(String args[]) {

        System.out.println(Character.isDigit(' '));
        System.out.println(Character.isDigit('a'));
        System.out.println(Character.isDigit('5'));
    }
}

Output:

false

false

true