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 binary data from a file
Answer: Option B
This Question Belongs to Java Program >> Input Output
Which class is used to read data from the keyboard in Java?
A. Scanner
B. FileReader
C. BufferedReader
D. InputStream
What is the purpose of the `System.out.println()` method in Java?
A. It performs mathematical operations
B. It writes data to a file
C. It reads data from the keyboard
D. It prints data to the standard output stream followed by a newline
How can you close a file after reading or writing in Java?
A. By using the `terminate()` method
B. By using the `close()` method of the file stream
C. By using the `readLine()` method
D. By using the `terminate()` method
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