In Java, what does the FileWriter class do?Question 3Answera.Reads data from a fileb.Writes data to a filec.Deletes a filed.Checks if a file exists

Understanding the FileWriter Class in Java

The FileWriter class in Java is part of the java.io package and is primarily used for writing data to files. Here’s a breakdown of its functionality:

1. Purpose: The main function of the FileWriter class is to facilitate writing character-based data to a file. This is done in a convenient and efficient manner.

2. File Creation: If the specified file does not exist, FileWriter can create a new file. It opens a connection to the file to write data into it.

3. Overwriting and Appending: By default, FileWriter will overwrite the file if it exists. However, it can also be set to append data to the file if needed.

4. Character Encoding: It writes data using the default character encoding of the platform, making it suitable for writing text.

Based on the functionalities of the FileWriter class, the answer to the question is:

Final Answer

b. Writes data to a file.