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This module contains review questions and answers keyed to the module titled Jb0160: Java OOP: Hello World.

Revised: Mon Mar 28 00:15:46 CDT 2016

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Table of contents

Preface

This module contains review questions and answers keyed to the module titled Jb0160: Java OOP: Hello World .

The questions and the answers 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? Applications are designed to be downloaded and executed on-line under control of a web browser, while applets are designed to beexecuted in a stand-alone mode from the command line.

Answer 1

Question 2

True or false? All applications and applets written in Java require a main method.

Answer 2

Question 3

Explain the relationship between the name of the class file for a Java application and the location of the main method in the application.

Answer 3

Question 4

Explain how you cause a method to be a class method in Java.

Answer 4

Question 5

True or false? Class methods can be called without the requirement to instantiate an object of the class:

Answer 5

Question 6

Write the source code for a Java application that will display your name and address on the standard output device. Show the command-linestatement that would be required to execute a compiled version of your application.

Answer 6

Question 7

Show the three styles of comment indicators that are supported by Java.

Answer 7

Question 8

True or false? Java allows free-standing methods outside of a class definition?

Answer 8

Question 9

What is the relationship between the name of the controlling class in an application and the names of the files that comprise that application.

Answer 9

Question 10

What is the relationship between the number of classes in an application and the number of separate files with the class extension that go to make up that application? How does this change when all the classes are defined in the samesource file?

Answer 10

Question 11

True or false? Class methods in Java can only be called relative to a specific object.

Answer 11

Question 12

Write the signature line for the main method in a Java application.

Answer 12

Question 13

Write a Java application that will display your name on the screen.

Answer 13

Listings

What is the meaning of the following two images?

This image was 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.

The image is also an example of the kinds of things that we do in my course titled ITSE 2321, Object-Oriented Programming.

Missing image

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

Missing image

Answers

Answer 13

Listing 1 . Listing for Answer 13.
/*File SampProg02.java from lesson 10 Copyright 1997, R.G.BaldwinWithout reviewing the following solution, write an application that will display your name on the screen.**********************************************************/ class SampProg02 { //define the controlling classpublic static void main(String[] args){ //define mainSystem.out.println("Dick Baldwin"); }//end main}//End SampProg02 class.

Questions & Answers

what does preconceived mean
sammie Reply
physiological Psychology
Nwosu Reply
How can I develope my cognitive domain
Amanyire Reply
why is communication effective
Dakolo Reply
Communication is effective because it allows individuals to share ideas, thoughts, and information with others.
effective communication can lead to improved outcomes in various settings, including personal relationships, business environments, and educational settings. By communicating effectively, individuals can negotiate effectively, solve problems collaboratively, and work towards common goals.
it starts up serve and return practice/assessments.it helps find voice talking therapy also assessments through relaxed conversation.
miss
Every time someone flushes a toilet in the apartment building, the person begins to jumb back automatically after hearing the flush, before the water temperature changes. Identify the types of learning, if it is classical conditioning identify the NS, UCS, CS and CR. If it is operant conditioning, identify the type of consequence positive reinforcement, negative reinforcement or punishment
Wekolamo Reply
please i need answer
Wekolamo
because it helps many people around the world to understand how to interact with other people and understand them well, for example at work (job).
Manix Reply
Agreed 👍 There are many parts of our brains and behaviors, we really need to get to know. Blessings for everyone and happy Sunday!
ARC
A child is a member of community not society elucidate ?
JESSY Reply
Isn't practices worldwide, be it psychology, be it science. isn't much just a false belief of control over something the mind cannot truly comprehend?
Simon Reply
compare and contrast skinner's perspective on personality development on freud
namakula Reply
Skinner skipped the whole unconscious phenomenon and rather emphasized on classical conditioning
war
explain how nature and nurture affect the development and later the productivity of an individual.
Amesalu Reply
nature is an hereditary factor while nurture is an environmental factor which constitute an individual personality. so if an individual's parent has a deviant behavior and was also brought up in an deviant environment, observation of the behavior and the inborn trait we make the individual deviant.
Samuel
I am taking this course because I am hoping that I could somehow learn more about my chosen field of interest and due to the fact that being a PsyD really ignites my passion as an individual the more I hope to learn about developing and literally explore the complexity of my critical thinking skills
Zyryn Reply
good👍
Jonathan
and having a good philosophy of the world is like a sandwich and a peanut butter 👍
Jonathan
generally amnesi how long yrs memory loss
Kelu Reply
interpersonal relationships
Abdulfatai Reply
What would be the best educational aid(s) for gifted kids/savants?
Heidi Reply
treat them normal, if they want help then give them. that will make everyone happy
Saurabh
What are the treatment for autism?
Magret Reply
hello. autism is a umbrella term. autistic kids have different disorder overlapping. for example. a kid may show symptoms of ADHD and also learning disabilities. before treatment please make sure the kid doesn't have physical disabilities like hearing..vision..speech problem. sometimes these
Jharna
continue.. sometimes due to these physical problems..the diagnosis may be misdiagnosed. treatment for autism. well it depends on the severity. since autistic kids have problems in communicating and adopting to the environment.. it's best to expose the child in situations where the child
Jharna
child interact with other kids under doc supervision. play therapy. speech therapy. Engaging in different activities that activate most parts of the brain.. like drawing..painting. matching color board game. string and beads game. the more you interact with the child the more effective
Jharna
results you'll get.. please consult a therapist to know what suits best on your child. and last as a parent. I know sometimes it's overwhelming to guide a special kid. but trust the process and be strong and patient as a parent.
Jharna
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Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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