what is this programs goals and objectives Main.java

public class Exercise$02\_21\{$

public static void main$($String$[]$ args$)$ &

java.util.Scanner input $=$ new java.util.Scanner$($

System.in$)$:

$//$ Enter the investment amount

System.out.print$($

"Enter the investment amount, for example $120000\mathrm{.}95$: $")$:

double investmentAmount $=$ input. nextDouble$()$:

$//$ Enter yearly interest rate

System.out.print$("$Enter annual interest rate, for example $8\mathrm{.}25$: $")$;

double annualinterestRate $=$ input nextDouble $()$ :

$//$ Obtain monthly interest rate

double monthlyInterestRate $=$ annualinterestRate $\frac{?}{1200}$ :

$//$ Enter number of years

System.out.print$($

"Enter number of years as an integer, for example $5$: $")$:

int numbefears $=$ input. nextInt $()$:

double futurevalue $=$

investmentAmount $*$ Math.pow$(1+$ monthlyInterestRate,

num$0$fYears $*12)$:

System.out.print$("$Future value is $"+$

$($int$)($futureValue $*100)/100\mathrm{.}0)$:

$\}$

$\}$