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This module serves as the Preface to a collection titled Object-Oriented Programming (OOP) with Java.

Table of contents

Welcome

Welcome to my collection titled Object-Oriented Programming (OOP) with Java .

During the past nineteen years, I have published hundreds of Java and OOP programming tutorials on a variety of different topics and websites. I have also developedthe teaching materials for several different college-level programming courses in Java/OOP.

A work in progress

This is a work in progress. I am currently combining selected content from those earlier endeavors with new material that I am developing to create a freely downloadableBook that covers Java/OOP programming from programming fundamentals to very advanced OOP concepts.

Among other things, the collection contains the material that I use to teach the following courses at Austin Community College in Austin Texas:

The collection also includes:

Because it is a work in progress, the collection is growing on a daily basis. If you don't find what you need today, come back and take another look in a weekor two and you may find what you need then.

Download options

I encourage you to take advantage of all of the download options (most of which are free) that cnx.org has to offer. You can also customize this material for use in your organized coursesor for personal self study.

Feedback is appreciated

And if you find the material useful, I would like to hear more about how you are using it.

Legacy versus openstax presentation format

Early in 2014, cnx.org began a transition from a legacy presentation format to a new openstax presentation format. As of January 8, 2016, some of the functionality of the legacy presentation format has not yet been ported to the openstax presentation format.

If you find yourself viewing one of my collections or modules in the openstax presentation format and some of the links appear to be broken, some of the imagesfail to display properly, etc., you may need to revert to the legacy presentation format .

You can switch from openstax format to legacy format by selecting the Legacy Site link in the upper-right corner of the page when viewing a collection or module in openstax format.

When you are viewing a module in the legacy format, you can switch to the openstax format by selecting a link that normally appears at the beginning of the page andreads something like the following: "Note: You are viewing an old style version of this document. The new style version isavailable here."

Terminology: The folks at cnx.org have adopted some new terminology in conjunction with this transition. For example,the entity that is referred to as a Collection in the legacy format is referred to as a Book in the openstax format. The entity that is referred to as a Module in the legacy format is referred to as a Page in the openstax format. You will probably find that I use these terms somewhat interchangeably in thismaterial.

The landing module or page: It is possible to open and view material at the level of a Collection in the legacy format as shown here . However, (with some exceptions) when you open a Book in the openstax format, you will actually land on the first Page in the book as shown here . In other words, a Book is not a "stand alone" entity in the openstax format.

Questions & Answers

Three charges q_{1}=+3\mu C, q_{2}=+6\mu C and q_{3}=+8\mu C are located at (2,0)m (0,0)m and (0,3) coordinates respectively. Find the magnitude and direction acted upon q_{2} by the two other charges.Draw the correct graphical illustration of the problem above showing the direction of all forces.
Kate Reply
To solve this problem, we need to first find the net force acting on charge q_{2}. The magnitude of the force exerted by q_{1} on q_{2} is given by F=\frac{kq_{1}q_{2}}{r^{2}} where k is the Coulomb constant, q_{1} and q_{2} are the charges of the particles, and r is the distance between them.
Muhammed
What is the direction and net electric force on q_{1}= 5µC located at (0,4)r due to charges q_{2}=7mu located at (0,0)m and q_{3}=3\mu C located at (4,0)m?
Kate Reply
what is the change in momentum of a body?
Eunice Reply
what is a capacitor?
Raymond Reply
Capacitor is a separation of opposite charges using an insulator of very small dimension between them. Capacitor is used for allowing an AC (alternating current) to pass while a DC (direct current) is blocked.
Gautam
A motor travelling at 72km/m on sighting a stop sign applying the breaks such that under constant deaccelerate in the meters of 50 metres what is the magnitude of the accelerate
Maria Reply
please solve
Sharon
8m/s²
Aishat
What is Thermodynamics
Muordit
velocity can be 72 km/h in question. 72 km/h=20 m/s, v^2=2.a.x , 20^2=2.a.50, a=4 m/s^2.
Mehmet
A boat travels due east at a speed of 40meter per seconds across a river flowing due south at 30meter per seconds. what is the resultant speed of the boat
Saheed Reply
50 m/s due south east
Someone
which has a higher temperature, 1cup of boiling water or 1teapot of boiling water which can transfer more heat 1cup of boiling water or 1 teapot of boiling water explain your . answer
Ramon Reply
I believe temperature being an intensive property does not change for any amount of boiling water whereas heat being an extensive property changes with amount/size of the system.
Someone
Scratch that
Someone
temperature for any amount of water to boil at ntp is 100⁰C (it is a state function and and intensive property) and it depends both will give same amount of heat because the surface available for heat transfer is greater in case of the kettle as well as the heat stored in it but if you talk.....
Someone
about the amount of heat stored in the system then in that case since the mass of water in the kettle is greater so more energy is required to raise the temperature b/c more molecules of water are present in the kettle
Someone
definitely of physics
Haryormhidey Reply
how many start and codon
Esrael Reply
what is field
Felix Reply
physics, biology and chemistry this is my Field
ALIYU
field is a region of space under the influence of some physical properties
Collete
what is ogarnic chemistry
WISDOM Reply
determine the slope giving that 3y+ 2x-14=0
WISDOM
Another formula for Acceleration
Belty Reply
a=v/t. a=f/m a
IHUMA
innocent
Adah
pratica A on solution of hydro chloric acid,B is a solution containing 0.5000 mole ofsodium chlorid per dm³,put A in the burret and titrate 20.00 or 25.00cm³ portion of B using melting orange as the indicator. record the deside of your burret tabulate the burret reading and calculate the average volume of acid used?
Nassze Reply
how do lnternal energy measures
Esrael
Two bodies attract each other electrically. Do they both have to be charged? Answer the same question if the bodies repel one another.
JALLAH Reply
No. According to Isac Newtons law. this two bodies maybe you and the wall beside you. Attracting depends on the mass och each body and distance between them.
Dlovan
Are you really asking if two bodies have to be charged to be influenced by Coulombs Law?
Robert
like charges repel while unlike charges atttact
Raymond
What is specific heat capacity
Destiny Reply
Specific heat capacity is a measure of the amount of energy required to raise the temperature of a substance by one degree Celsius (or Kelvin). It is measured in Joules per kilogram per degree Celsius (J/kg°C).
AI-Robot
specific heat capacity is the amount of energy needed to raise the temperature of a substance by one degree Celsius or kelvin
ROKEEB
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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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