Recent Lessons

Show all results for ""

Network Programming SECR3253 Streams: Understanding Java I/O for Network Programming

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of using a final block to close streams in Java?

To enhance the performance of the program by optimizing resource usage
To allow dynamic allocation and deallocation of memory for the streams
To ensure that the streams are closed even if an error occurs (correct)
To prevent the streams from being accessed by multiple threads simultaneously

Which classes are used to implement line oriented streams in Java?

BufferedReader and PrintWriter (correct)
FileReader and FileWriter
InputStream and OutputStream
FileInputStream and FileOutputStream

What is the purpose of using buffered I/O streams in Java?

To ensure the efficient input and output of 8-bit bytes
To reduce the overhead associated with each read or write request (correct)
To guarantee that both streams will be closed even if an error occurs
To handle translation between characters and bytes

What is the common unit for character I/O streams in Java?

A line of text (A) Signup and view all the answers

What is the purpose of understanding how Java handles I/O in general cases?

To handle input and output in most client applications (D) Signup and view all the answers

What does an I/O Stream represent?

A source or destination for input or output (C) Signup and view all the answers

What type of data does Buffered Streams specifically optimize?

Simple bytes (C) Signup and view all the answers

What does a stream represent that makes it useful for network programming in Java?

An input source or an output destination (A) Signup and view all the answers

Why do some streams simply pass on data while others manipulate and transform the data?

To make the data more useful (A) Signup and view all the answers

What is the purpose of using Byte Streams in Java I/O?

Perform input and output of 8-bit bytes. Signup and view all the answers

How does FileReader differ from FileInputStream in Java?

FileReader is used to read characters from a file, while FileInputStream is used to read bytes from a file. Signup and view all the answers

Why is it important to support all possible line terminators in Java I/O?

To read text files created on any widely used operating system. Signup and view all the answers

What is the main advantage of using Buffered I/O Streams in Java?

To reduce overhead and make programs more efficient. Signup and view all the answers

How does PrintWriter differ from BufferedReader in Java I/O?

PrintWriter is used to write formatted text to a file, while BufferedReader is used to read text from a file. Signup and view all the answers

What are the three types of basic I/O streams discussed in the text?

Byte Streams, Character Streams, Buffered Streams Signup and view all the answers

How does understanding Java's general I/O handling help in comprehending network I/O in Java?

By understanding how Java handles I/O in general cases, one could understand how Java handles network I/O. Signup and view all the answers

Explain the concept of streams being able to represent many different kinds of sources and destinations.

A stream can represent various sources and destinations, such as disk files, devices, and other programs. Signup and view all the answers

What types of data do streams in Java support?

Streams support simple bytes, primitive data types, localized characters, and objects. Signup and view all the answers

Briefly explain the role of I/O streams in Java.

An I/O Stream represents an input source or an output destination, and it can pass on data or manipulate and transform the data in useful ways. Signup and view all the answers

Flashcards are hidden until you start studying