Which of the following is a checked exception in Java?Select one:a. NullPointerExceptionb. IOExceptionc. ArithmeticExceptiond. ArrayIndexOutOfBoundsException
Question
Which of the following is a checked exception in Java?Select one:a. NullPointerExceptionb. IOExceptionc. ArithmeticExceptiond. ArrayIndexOutOfBoundsException
Solution
The correct answer is b. IOException.
In Java, a checked exception is a type of exception that must be either caught or declared in the method where it is thrown. IOException is a checked exception because it is a subclass of Exception.
On the other hand, NullPointerException, ArithmeticException, and ArrayIndexOutOfBoundsException are all examples of unchecked exceptions. Unchecked exceptions are subclasses of RuntimeException, and are usually implemented using error-handling code.
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