Scanner ioException() in Java

ioException(): This method is available in java.util.Scanner class of Java.

Syntax:

IOException java.util.Scanner.ioException()

This method returns the IOException last thrown by this Scanner's underlying Readable.

Note: This method returns null if no such exception exists.

Parameters: NA

Returns: the last exception thrown by this scanner's readable.

Exceptions: NA

Approach

Java

import java.util.Scanner;

public class ScannerioException {
    public static void main(String[] args) {

        String source = "Hello World";
        Scanner scanner = new Scanner(source);

        System.out.println(scanner.ioException());
        scanner.close();
    }
}

Output:

null