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PRG 420 Week 2 DQ 1

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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?
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PRG 420 Week 2 DQ 2

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Give an example or counterexample that demonstrates each of the following criterion. Why is each criterion important to a program?
1 Is indentation used correctly to illustrate the structure of the program?
2 Is there a consistent naming convention?
3 Do comments explain processing that is not obvious?
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PRG 420 Week 2 Individual Assignment Simple Commission Calculation Program Part 1

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Write a Java™ application using NetBeans™ Integrated Development Environment (IDE) that calculates the total annual compensation of a salesperson. Consider the following factors:
A salesperson will earn a fixed salary of $50,000
A salesperson will also receive a commission as a sales incentive. Commission is a percentage of the salesperson’s annual sales. The current commission is 5% of total sales.
The total annual compensation is the fixed salary plus the commission earned.
The Java™ application should meet these technical requirements:
The application should have at least one class, in addition to the application’s controlling class (a controlling class is where the main function resides).
There should be proper documentation in the source code.
The application should ask the user to enter annual sales, and it should display the total annual compensation.
Submit your program (java code) along with the screen shots for both positive (by providing valid data as input) and negative testing (by providing invalid data as input) in a MS Word document.
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PRG 420 Week 2 Learning Team Assignment Quality Control Sheet

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Resource: Excel scoring instrument
Create a quality control (QC) sheet based on the scoring instrument. The QC sheet will be used later in this course to evaluate team members’ programs. As a team, share your ideas with each other and create one common QC sheet that your team will use. Your final QC sheet should be compiled in Microsoft® Excel and must include the following:
Areas to enter the evaluator’s name, the name of the program being evaluated, and the date the program is received
A set of detailed criteria for evaluation based on the scoring instrument. List as many criteria as you can that are applicable to evaluate programs.
The values assigned to each component of the evaluation based on the scoring instrument
Areas for detailed evaluation comments. You will not get full credit without detailed comments.
Other elements as appropriate
Submit your team’s final QC sheet in the grade book.
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PRG 420 Week 2 Summary

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PRG 420 Week 3 DQ 1

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Select and complete one of the following activities:
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 <= 1000; i++)
{
sum = sum + i;
System.out.println(Integer.toString(sum));
}
}
}
Compare the efficiency between a for loop and a while loop in the same program. Your program should be able to tell if a for loop is faster than a while-loop at the end of the program. Include the result of your run with the information on which one is faster.
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PRG 420 Week 3 DQ 2

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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?
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