public class CarLoan {
  public static void main(String[] args) {
    //a simple Car Loan calculator in Java..

    int carLoan = 10000;
    int loanLength = 3;
    int interestRate = 5;
    int downPayment = 2000;
    int remainingBalance = carLoan - downPayment;

    if (loanLength <= 0 || interestRate <= 0) {
      System.out.println("Error! You must take out a valid car loan.!");
    }
    else if  (downPayment >= carLoan){
      System.out.println("The car can be paid in full!");
    }
    else {
      remainingBalance = (carLoan - downPayment);
    }

    int months = loanLength * 12;

    int monthlyBalance = (remainingBalance / months);

    int interet = (monthlyBalance * interestRate)/100;

    int monthtlyPayment = monthlyBalance + interet;

    System.out.println(monthtlyPayment);

  }
}