11. Which class is used to write binary data to a file in Java? A. `InputStream` B. `BufferedReader` C. `FileOutputStream` D. `FileReader` Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
12. In Java, which method is used to write binary data to a file? A. `read()` B. `print()` C. `scan()` D. `write()` Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
13. What is the purpose of the `FileWriter` class in Java? A. It is used to write character data to a file B. It is used to read character data from a file C. It is used to write binary data to a file D. It is used to read binary data from a file Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
14. Which class is used to write formatted text to a file in Java? A. `OutputStream` B. `BufferedWriter` C. `Scanner` D. `PrintWriter` Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
15. In Java, what is the primary purpose of the `DataInputStream` class? A. It is used to read text data from a file B. It is used to write binary data to a file C. It is used to read primitive data types from an input stream D. It is used to perform mathematical operations Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
16. In Java, what does the `DataOutputStream` class do? A. It is used to read binary data from a file B. It is used to write primitive data types to an output stream C. It is used to read data from the keyboard D. It is used to read & write binary data from a text file Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
17. Which class is used to write primitive data types to an output stream in Java? A. `FileReader` B. `FileWriter` C. `DataOutputStream` D. `DataInputStream` Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
18. What is the purpose of the `RandomAccessFile` class in Java? A. It is used to read data from the keyboard B. It is used to write data to a file C. It is used to perform mathematical operations D. It allows reading and writing at random positions in a file Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
19. In Java, which class is used to read and write character streams? A. `Reader` and `Writer` classes B. `InputStream` and `OutputStream` classes C. `BufferedReader` and `PrintWriter` classes D. `DataInputStream` and `DataOutputStream` classes Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
20. What is the primary purpose of the `File` class in Java? A. It is used to perform mathematical operations B. It is used to write data to a file C. It is used to read data from a file D. It represents a file or directory pathname Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
