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Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. An Invoice should include four pieces of information as instance variables a part number (type String), a part description (type String), a quantity of the item being purchased (type int) and a price per item (double). Your class should have a constructor that initializes the four instance variables. Provide a set and a get method for each instance variable. In addition, provide a method named getInvoiceAmount that calculates the invoice amount (i.e., multiplies the quantity by the price per item), then returns the amount as a double value. If the quantity is not positive, it should be set to 0. If the price per item is not positive, it should be set to 0.0. Write a test application named InvoiceTest that demonstrates class Invoice's capabilities.
Create a custom Application Using Eclipse Android Development
Design a fraction class. The class should have 2 data members to represent the numerator and denominator. Both of these numbers should obviously be integers.
To help counter terrorism, many countries are planning and development of computer systems that track large number of citizens and their actions.
product receives a 5% bonus, otherwise, he receives a 4% bonus. Display the bonus, formatted with a dollar sign and two decimal places, in the bonusLabel.
Create a program to calculate and displays the number of miles per hour over the speed limit that a speeding driver was doing. The program should ask for the speed limit and the drivers speed.
A transmitter with rate R bps serves the buffer by sending the bits whenever available. Draw a diagram that shows the occupancy of the buffer as a function of time, for different ranges of values for R.
In addition to making our forms easy to use we need to consider user privacy and the use of data. What are some of the issues which you believe you require to take into account for collecting user data via forms?
Write an application that enables users to enter student ID and three exam scores. Provide a method to compute and return the overall exam average.
What is the difference between a heavyweight and a lightweight process? Give an example of where heavyweight processes are appropriate.
You are a consultant brought in by the executive committee to make recommendations for alleviating the "IT complexity" concerns of the executives at the company.
Design a program that asks for the number of fat grams and calories in a food item. Validate the input as follows: Make sure the number of fat grams and calories are not less than 0.
You will need to define four user-defined exceptions; one for unknown movies, one for unknown member, one for unknown payment method.
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