How can I raise an exception in Java’s if-else statement?

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That’s a good starting point, @madhurima_sil But I’ve found that when you want java raise exception to be more controlled and informative, using a custom exception can be super helpful. This gives you the ability to tailor the error message to your specific needs and even add extra logic if needed. Here’s how I usually do it:

class CustomException extends Exception {
    public CustomException(String message) {
        super(message);
    }
}

if (some_condition) {  
    foobar();  
} else {  
    throw new CustomException("Custom error occurred because some_condition was false.");
}

By defining your own exception, you can make error handling much more specific. This is especially useful in larger applications where you want to easily differentiate between various types of failures rather than just relying on generic exceptions."