Salesforce Platform Developer Practice Exam

What message would be logged in the provided try-catch block?

1. No message is logged.

2. Generic Exception.

3. List Exception.

4. NullPointer Exception.

The correct answer is: NullPointer Exception.

In the context of a try-catch block, if a NullPointerException is thrown, it typically occurs when there is an attempt to use an object reference that has not been initialized. This means that the code is trying to access a method or property of a null object. If the catch block is specifically set up to catch exceptions of type NullPointerException, then it would log a message associated with that exception. If the code inside the try block somehow results in a NullPointerException, the catch block would then execute, allowing you to log the exception message or handle it accordingly. A NullPointerException is a specific subtype of the Exception class in Java and is thrown when an application attempts to use an object reference that has the null value. If the code provided explicitly catches this specific type of exception, it will log a message related to it, thus leading to the conclusion that the message indicating a NullPointerException has occurred would indeed be logged. In summary, if a NullPointerException is thrown within the try block and reaching the catch block, it would be logged, making it the correct answer to the question.