Part 1
Mortgage Calculator Change Request #5 in Service Request SR-mf-003. Insert comments in the program to document the program. Attach a design flow chart to the source code of the program.
Change Request #5: Write the program in Java (with a graphical user interface) and have it calculate and display the mortgage payment amount from user input of the amount of the mortgage and the user’s selection from a menu of available mortgage loans:
• 7 years at 5.35%
• 15 years at 5.5%
• 30 years at 5.75%
Use an array for the mortgage data for the different loans. Display the mortgage payment amount followed by the loan balance and interest paid for each payment over the term of the loan. Allow the user to loop back and enter a new amount and make a new selection or quit. Please insert comments in the program to document the program.
Part 2
Mortgage Calculator Change Request #6 in Service Request SR-mf-003. Insert comments in the program to document the program. Attach a design flow chart to the source code of the program.
Write the program in Java (with a graphical user interface) so that it will allow the user to select which way they want to calculate a mortgage: by input of the amount of the mortgage, the term of the mortgage, and the interest rate of the mortgage payment or by input of the amount of a mortgage and then select from a menu of mortgage loans: 7 year at 5.35%, 15 year at 5.5 %, and 30 year at 5.75%. In either case, display the mortgage payment amount and then, list the loan balance and interest paid for each payment over the term of the loan. Allow the user to loop back and enter a new amount and make a new selection, or quit. Insert comments in the program to document the program.
Part 3
Mortgage Calculator Change Request #7 in Service Request SR-mf-003. Insert comments in the program to document the program. Attach a design flow chart to the source code of the program.
Change Request #7: Write the program in Java (with a graphical user interface) and have it calculate and display the mortgage payment amount from user input of the amount of the mortgage and the user’s selection from a menu of available mortgage loans:
• 7 years at 5.35%
• 15 years at 5.5%
• 30 years at 5.75%
Use an array for the mortgage data for the different loans. Read the interest rates to fill the array from a sequential file. Display the mortgage payment amount followed by the loan balance and interest paid for each payment over the term of the loan. Add graphics in the form of a chart. Allow the user to loop back and enter a new amount and make a new selection or quit. Please insert comments in the program to document the program.
