Which of these method of FileReader class is used to read characters from a file?Question 2Answera.read()b.scanf()c.get()d.getInteger()

Problem Breakdown

1. Understand the FileReader class and its methods.
2. Identify which method is specifically used for reading characters from a file.

Relevant Concepts

• The FileReader class in Java is designed to read characters from files.
• The available methods of FileReader relevant to reading characters include read(), get(), but not scanf() (a C function) or getInteger(), which is not related to character reading.

Analysis and Detail

1. Option a: read() - This method reads a single character and returns it as an integer; it is the correct method for reading characters.
2. Option b: scanf() - This is a C function and not applicable to Java’s FileReader class.
3. Option c: get() - This is not a method of the FileReader class in Java.
4. Option d: getInteger() - This method does not exist in the context of reading characters from a file in Java.

Verify and Summarize

The only method in the given options that is used to read characters from a file in the context of the FileReader class is read().

Final Answer

The correct answer is a. read().