Assignment Problem: Develop Java applications based on the given scenarios:
Assignment Aim: This assignment will allow students to demonstrate their understanding of Java programming language covering all the concepts covered throughout the trimester and implementation of those concepts to develop a small java application based on the given specifications. This Assessment contributed to learning outcomes c and d.
Assignment Task Details: You are required to complete 5 practical exercises in Java that cover main topics in your outline.
Problem1: Java Fundamentals
Last month Joe purchased some stock in Acme Software, Inc. Here are the details of the purchase:
- The number of shares that Joe purchased was 1,000.
- When Joe purchased the stock, he paid $32.87 per share.
- Joe paid his stockbroker a commission that amounted to 2% of the amount he paid for the stock.
Two weeks later Joe sold the stock. Here are the details of the sale:
- The number of shares that Joe sold was 1,000.
- He sold the stock for $33.92 per share.
- He paid his stockbroker another commission that amounted to 2% of the amount he received for the stock.
Write a program that displays the following information:
- The amount of money Joe paid for the stock.
- The amount of commission Joe paid his broker when he bought the stock.
- The amount that Joe sold the stock for.
- The amount of commission Joe paid his broker when he sold the stock.
- Display the amount of profit that Joe made after selling his stock and paying the two commissions to his broker. (If the amount of profit that your program displays is a negative number, then Joe lost money on the transaction.)
Problem 2: Nested Loops
Write a program that uses nested loops to collect data and calculate the average rainfall over a period of years. The program should first ask for the number of years. The outer loop will iterate once for each year. The inner loop will iterate twelve times, once for each month. Each iteration of the inner loop will ask the user for the inches of rainfall for that month. After all iterations, the program should display the number of months, the total inches of rainfall, and the average rainfall per month for the entire period.
Problem 3: 2D Array
Write a program that lets the user enter four quarterly sales figures for six divisions of a company. The figures should be stored in a two-dimensional array. Once the figures are entered, the program should display the following information for each quarter.
- A list of the sales figures by division
- Each division's increase of decrease from the previous quarter. (This will not be displayed for the first quarter)
- The total sales for the quarter.
- The company's increase of decrease from the previous quarter. (This will not be displayed for the first quarter)
- The average sales for all divisions that quarter.
- The division with the highest sales for that quarter. Input validation: do not accept negative numbers for sales figures.
Problem 4: Strings
Write a program that has two parallel arrays of String objects. One of the arrays should hold people's names and the other should hold their phone numbers.
Here are sample contents of both arrays.
name ArraySampleContents phone ArraySampleContents
"Harrison, Rose" "555-2234"
"James, Jean" "555-9098"
"Smith, William" "555-1785"
"Smith, Brad" "555-9224"
The program should ask the user to enter a name or the first few characters of a name to search for in the array. The program should display all of the names that match the user's input and their corresponding phone numbers. For example, if the user "Smith," the program should display the following names and phone numbers from the list:
Smith, William: 555-1785
Smith, Brad: 555-9224
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