Title: PRG 420 Knowledge is divine--prg420.com
1PRG 420 Knowledge is divine--prg420.com
2PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 1 DQ 1 For more course tutorials
visit www.prg420.com Watch the first and second
videos for Week 1. Explain a little about the
Java Virtual Machine, what it executes, how it
might be similar to any other language, and how
it is different from a native language, such as
C.
3PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 1 DQ 2 For more course tutorials
visit www.prg420.com Java is a portable
language, and being an object-oriented
programming language, it also encourages
component reusability. How does Java achieve
these two important features? How are these
features desirable in modern software engineering?
4PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 1 DQ 3 For more course tutorials
visit www.prg420.com You are a bank manager and
you are helping a new bank teller understand the
kind of accounts the bank offers. If a customer
comes in asking to open a new savings account,
the teller needs to ask what kind of
account--passbook savings or certificate of
deposit--the customer would like to open. Remind
the customer that all accounts with our bank are
insured by the FDIC. You should explain that all
accounts earn some interest a savings accounts
interest is compounded monthly.
5PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 2 DQ 1 For more course tutorials
visit www.prg420.com Please watch the first
three videos for Week 2 (around 40 minutes).
Explain how an outside class may be given access
to find the value of a private instance variable,
or to change the value of a private instance
variable. Why does this add value to your program?
6PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 2 DQ 2 For more course tutorials
visit www.prg420.com What are the three types of
errors that you can encounter in a Java program?
Describe them, and explain how you would minimize
the errors. What are some examples of errors that
you have seen before?
7PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 2 DQ 3 For more course tutorials
visit www.prg420.com A class is a blueprint for
an object. A class may have a default
constructor, a constructor with arguments,
accessor methods, mutator methods, public fields,
and private fields. Choose a category (such as
animal, vehicle, and so on) and describe how you
would design a class for it.
8PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 3 DQ 1 For more course tutorials
visit www.prg420.com Please watch the first and
the fifth (next to the last) videos for Week 3
(feel free to use the transcripts, too!) . Tell
me about the similarities between the
conditionals in if statements and the
conditionals in while statements.
9PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 3 DQ 2 For more course tutorials
visit www.prg420.com Convert the following
program from for loop to while loop. class
ArithmeticProgression public static void main
(String args) int sum 0 for (int i 1 i
lt 1000 i) sum sum i System.out.println(
Integer.toString(sum))
10PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 3 DQ 3 For more course tutorials
visit www.prg420.com There are 3 kinds of
loopsfor loop, while loop, and do while loop.
Under which circumstances would each kind of loop
be more appropriate? Explain your answers using
specific examples.
11PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 3 DQ 4 For more course tutorials
visit www.prg420.com Consider the following
conditions CONDITION 1 while ( !(cChoice 'Q'
cChoice 'q') ) CONDITION 2 while ( cChoice
! 'Q' cChoice ! 'q' ) Do Conditions 1 and 2
give the same result? What tool or technique
would you use to explain the result?
12PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 4 DQ 1 For more course tutorials
visit www.prg420.com Assuming you want an array
(named many) of seven ints what would be the
easiest way to write the code if you wanted many
to contain all zeros? What if you wanted many to
contain a selection of seven values, that were
not all zeros? What would be the subscripts of
all the elements of many?
13PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 4 DQ 2 For more course tutorials
visit www.prg420.com What is the difference
between arrays and ArrayList? What are the
advantages and disadvantages of an ArrayList, and
when should you use an ArrayList over a simple
array?
14PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 4 DQ 3 For more course tutorials
visit www.prg420.com What is the difference
between string and StringBuilder? What are the
advantages and disadvantages of a StringBuilder,
and when should you use a StringBuilder over a
simple String?
15PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 5 DQ 1 For more course tutorials
visit www.prg420.com Please explain one use for
a static variable in a class. Please explain how
you might use one static method ( not main() ) in
a class.
16PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 5 DQ 2 For more course tutorials
visit www.prg420.com In your opinion, what are
the three biggest challenges in planning and
designing a solution for a programming problem?
What can you do to overcome these challenges? How
would you apply these techniques to the programs
in this class?
17PRG 420 Knowledge is divine--prg420.com
PRG 420 Week 5 DQ 3 For more course tutorials
visit www.prg420.com Using an example from your
work or daily life, describe an "is-a"
relationship. Why is an "is-a" relationship
important when designing an inheritance between
classes?
18PRG 420 Knowledge is divine--prg420.com