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JAVA: Which of the following statements are true? A handler object fires an event. A source object fires an event. Any object such a String

JAVA:

Which of the following statements are true?

A handler object fires an event.

A source object fires an event.

Any object such a String object can fire an event.

A handler is registered with the source object for processing the event.

Invoking new File(String filename) may throw ________.

FileNotFoundException

RuntimeException

Exception

Throwable

The read method, the write method, and creating stream constructors can throw IOException errors.

true

false

What does the following code do? FileInputStream fis = new FileInputStream("test.dat");

It creates a new file named test.dat if it does not exist and opens the file so you can write to it.

It creates a new file named test.dat if it does not exist and opens the file so you can write to it and read from it.

It creates a new file named test.dat regardless of whether it exists or not and opens the file so you can write to it.

It creates a new file named test.dat regardless of whether it exists or not and opens the file so you can write to it and read from it.

It creates a FileInputStream for test.dat if test.dat exists.

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