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Thread: Arrays for mortgage calc

  1. #1
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    Default Arrays for mortgage calc

    Hi can somebody please help me or give me some direction on how I am supposed to do this: Write the program in Java (without a graphical user interface) and have it calculate the payment amount for 3 mortgage loans:
    * - 7 year at 5.35%
    * - 15 year at 5.5%
    * - 30 year at 5.75%
    Use an array for the different loans. Display the mortgage payment amount for each loan.
    I dont even know if I am even close with the arrays but I think I need to add formulas to this to. I just am completely lost. Here is what I have. (I know I am not even close) Please help!!

    package mortgagecalculator2;

    /**
    *
    * @author
    */
    public class MortgageCalculator2 {

    /**
    * @param args the command line arguments
    */
    public static void main(String[] args) {
    double loanAmount[]=new double[1];
    loanAmount[0]=200000.00;

    double loanLengthInMonths[]=new double[3];
    loanLengthInMonths[0]=84;
    loanLengthInMonths[1]=180;
    loanLengthInMonths[2]=360;

    double monthlyInterest[]=new double[3];
    monthlyInterest[0]=5.35;
    monthlyInterest[1]=5.5;
    monthlyInterest[2]=5.75;


    System.out.println(loanAmount[0]);
    System.out.println(loanLengthInMonths[0]);
    System.out.println(monthlyInterest[0]);
    System.out.println(loanAmount[0]);
    System.out.println(loanLengthInMonths[1]);
    System.out.println(monthlyInterest[1]);
    System.out.println(loanAmount[0]);
    System.out.println(loanLengthInMonths[2]);
    System.out.println(monthlyInterest[2]);

    }



    }


  2. #2
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    Default Re: Arrays for mortgage calc

    Do you need arrays to solve this problem at all? Looks like using simple math operations can give you what you need.

  3. #3
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    Default Re: Arrays for mortgage calc

    Yes it is required by the instructor to use arrays.

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