The **`isDigit()` function** returns `true` if a character sent as a parameter is `digit`; otherwise, it returns `false`. 

Figure 1 shows a visual representation of the `isDigit()` function.

# Syntax
```java
boolean isDigit(char character)
```
# Parameter
The `isDigit()` function takes the character as a parameter.

# Return value
The `isDigit()` function returns `true` if a character sent as a parameter is `digit`; otherwise, it returns `false`.  

# Code





class JAVA {
    public static void main( String args[] ) {
        //simple character
        System.out.println("Character.isDigit('E'):");
        System.out.println(Character.isDigit('E'));

        //digit character
        System.out.println("Character.isDigit('5'):");
        System.out.println(Character.isDigit('5'));

    }
}

What is Character.isDigit() in Java?

Determines if a character is a digit, returning true if it is, false otherwise.