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: Option C
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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