Chapter 17, Problem 17.7PE

Program Plan Intro

Restore objects from a file

Program Plan:

Loan.java

• Definition for the class “Loan”.
• Declare the required variables.
• Create default constructor
  • Pass the object through the constructor.
• Create the parameterized constructor.
  • Assign annual interest rate, number of years, loan amount and date.
• Definition for the method “getAnnualInterestRate()”.
  • Return “annualInterestRate”.
• Definition for the method “getAnnualInterestRate()”.
  • Return the “getAnnualInterestRate”.
• Definition for method “setAnnualInterestRate()”
  • Return the annual Interest Rate.
• Definition for method “getNumberOfYears()”
  • Return the number of years.
• Definition for method “setNumberOfYears()”.
  • Return  the loan amount.
• Definition for method “setLoanAmount()”.
  • Assign  the number of years”.
• Definition for method “getTotalPayment()”
  • Calculate the monthly interest rate.
  • Calculate the monthly payment.
  • Return monthly payment.
• Definition for method “getTotalPayment”.
  • Calculate the total payment.
  • Return total payment.
• Definition for “LoanDate()”.
  • Return the loan date.

Amount.java

• Import required packages.
• Definition for the class “Amount”.
• Definition for main class.
  • Create five objects for loan to store it in the file.
  • Write the entire loan object to the file named “Exercise17_0.6.dat”.
• Create an object to read the file from the file.
  • Display the loan amount.
  • Display the count and the total amount.