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Which stream class is used to write formatted text to a file in Java?Question 13Answera.PrintWriterb.FileWriterc.FileOutputStreamd.BufferedWriter

Question

Which stream class is used to write formatted text to a file in Java?

Question 13

Answer

a. PrintWriter

b. FileWriter

c. FileOutputStream

d. BufferedWriter

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Solution

Break Down the Problem

  1. Identify the types of classes available in Java for writing to files.
  2. Determine which class is specifically used for writing formatted text.

Relevant Concepts

  • Java provides various classes for file operations, including PrintWriter, FileWriter, FileOutputStream, and BufferedWriter.
  • PrintWriter is designed for writing formatted representations of objects to a text-output stream.

Analysis and Detail

  1. PrintWriter: This class is used to write formatted text to a file. It provides various methods for printing different data types and can handle character encoding.
  2. FileWriter: This class writes character files. It does not provide formatting capabilities.
  3. FileOutputStream: It is used for writing raw byte streams but does not support character data directly.
  4. BufferedWriter: This class is used to write text to a character-output stream, buffered for efficiency, but formatting functions are managed through concatenation rather than direct formatting.

Verify and Summarize

Among the options:

  • PrintWriter is the class that supports formatted output to files. While BufferedWriter can be used with PrintWriter for buffering, PrintWriter itself directly supports formatted output.

Final Answer

The correct answer is a. PrintWriter.

This problem has been solved

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