19.6 Java4640r-review

Table of contents

• Preface
• Questions
  • 1 , 2 , 3 , 4 , 5
• Answers
• Miscellaneous

Preface

This module is one in a collection of modules designed for teaching INEW 2338 Advanced Java (Web) at Austin Community College in Austin, TX.

This module contains review questions and answers keyed to the module titled Java4640: The URL Class and the URLEncoder Class in the Network Programming sub-collection.

Once you study that module, you should be able to answer the review questions in this module.

The questions and the answers in this module are connected by hyperlinks to make it easy for you to navigate from the question to the answer and back again.

Questions

Question 1

True or False?

Java provides at least two different ways to do network programming. The two ways are associated with socket classes and URL classes.

Go to answer 1

Question 2

True or False?

Socket programming occurs at a higher level than URL programming

Go to answer 2

Question 3

True or False?

An object of the URL class provides a method for extracting each of the following parts of a URL:

• protocol used to access the server (such as http),
• name of the server,
• port on the server (optional)
• path and name of a specific file on the server (sometimes optional)
• anchor or reference within the file (optional)

Go to answer 3

Question 4

True or False?

The URLEncoder class is provided to help deal with problems arising from spaces, special characters, non-alphanumeric characters, etc. , that some operating systems may allow in file names but which may not be allowed in a URL.

Go to answer 4

Question 5

True or False?

Once you have a URL object connected to a server, you can open input and output streams that will be connected to the server software that is monitoring the port of interest.

Go to answer 5

What is the meaning of the following two images?

These images were inserted here simply to insert some space between the questions and the answers to keep them from being visible on the screen at thesame time.

This image was also inserted for the purpose of inserting space between the questions and the answers.

Answers

Answer 5

True.

Go back to Question 5

Answer 4

True.

Go back to Question 4

Answer 3

True.

Go back to Question 3

Answer 2

False. URL programming occurs at a higher level than socket programming.

Go back to Question 2

Answer 1

True.

Go back to Question 1

Miscellaneous

This section contains a variety of miscellaneous information.

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