18. Overriding & Exceptions: The Strict Rules

Scenario

Can an overriding method throw more exceptions than the parent? No. This practice explores the rules of checked vs unchecked exceptions in inheritance.

Code Block

import java.io.*;

class Super {
    void process() throws IOException {
        System.out.println("Super processing");
    }
}

class Sub extends Super {
    @Override
    void process() throws FileNotFoundException { // Valid: Subclass of IOException
        System.out.println("Sub processing");
    }
    
    // void process() throws Exception { } // ERROR: Broader than IOException
}

public class Main {
    public static void main(String[] args) throws IOException {
        Super obj = new Sub();
        obj.process();
    }
}

Take Your Shot

Predicted Output

Type exactly what you think will be printed in the console.