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