Java Programming - MCQ Practice Questions

Which stream class is used to write primitive data types in binary format?

Which of the following is NOT a character stream class in Java?

Which interface must be implemented to make an object serializable in Java?

In Java, what is the primary purpose of the flush() method in output streams?

What will be the output of the following code? FileOutputStream fos = new FileOutputStream("test.txt", true); What does the 'true' parameter indicate?

Which of the following classes is used to read primitive data types from an input stream in Java?

Which interface must a class implement to be eligible for serialization in Java, and what is the significance of implementing it with no abstract methods?