I have made a mistake and I am hoping someone here can bail me out. I need to turn the code below into a GUI interface and quick. TIA please help\

Code:

//Noah Fenley
//POS406 week 4 personal assignment
//
//
import java.text.*;
public class week5
{//open
   public static void main(String[] args)
   {//open
       wk5ClassSupport[] scenarios;//create array
       scenarios = new wk5ClassSupport[3];
       for (int x=0; x < 3; x++)//avoid empty statement
       scenarios[x] = new wk5ClassSupport();
       
       //array values
       scenarios[0].setyears(7);
       scenarios[1].setyears(15);
       scenarios[2].setyears(30);
       scenarios[0].setRate(5.35);
       scenarios[1].setRate(5.5);
       scenarios[2].setRate(5.75);
       
       
       for (int x=0;x<3;x++)//enter loan amount for each loan array
           scenarios[x].setLoan(200000.00);
       for (int x =0; x<3; x++)
       {//display after calculations--Open
           scenarios[x].calculateDisplay();//run the calculate section of wk3Class
           System.out.println("-------------------------------------------------");
       }//Close
   }//Close
}//close

And the support class

//Noah Fenley
//Some of the code from week 3 has been commented out. I prefer to keep the code intact
//just in case I need to return to it for reference.

import java.text.*;
public class wk5ClassSupport {//open
   //public static void main(String[] args)throws InterruptedException {
        //Constants  
               private double Loan; // Loan amount
               private double Rate;
               private int years;
              //   //Number of total payments 12 months X 30 years
               
               public void setyears(int passedValue)//years to be passed from week4 class
               {//open
                   years = passedValue;
               }//close
               public void setRate(double passedValue)//Rate to be passed
               {//open
                   Rate = passedValue;
               }//close
               public void setLoan(double passedValue)//loan amount to be passed
               {//open
                   Loan = passedValue;
               }//close
               public void calculateDisplay()//display to be passed
               {//open

               //Variables
 double pymt = 0.0;            
 double intPymt = 0.0;// Interest payments initial value
               double remainingBalance = Loan;
 double prinPymt = 0.0;// Principle payment
               //double mpr = Rate; //APR divided by 100 to get % then 12 for the months in a year
               int pymtNum = years * 12;
               double Apr = Rate/100/12;//useless now, but helped during debugging
                   
 int c = 0;     // counter
               
 DecimalFormat twoDecimalPlaces = new DecimalFormat("###,###,###.00");// formatter for printing
 System.out.println("Amount Financed: $ " + twoDecimalPlaces.format(Loan));// Show The Loan Total
 System.out.println("Total number of payments: " + years *12);// Show number of payments
 pymt = Loan * (Math.pow(((1-(Math.pow((1 + Apr),-pymtNum)))/Apr), -1)); //  Payment
 System.out.println("Monthly Payment :$ " + twoDecimalPlaces.format(pymt));
               System.out.println("Loan Term In Years:"+years );//Show laon years
               System.out.println("APR: " + Rate + "%");// Show APR
               
               
               //previous info not used in this class anymore.
               
               
               //Thread.sleep(3000); //pause for 3 seconds
 for (int x = 1; x < (pymtNum + 1); x++) {
                   intPymt = remainingBalance * Rate/100/12;//interest paid monthly
                   prinPymt = pymt - intPymt;//monthly principle
                   remainingBalance = remainingBalance - prinPymt;// remaining balance
                   c++; //display 12 payments
                       System.out.println("Payment" + x + "\t"+ "Interest Paid: $"+ twoDecimalPlaces.format(intPymt)+ "\tPrinciple: $" + twoDecimalPlaces.format(prinPymt)+ "\t Balance: $" + twoDecimalPlaces.format(remainingBalance));
                if (c == 12) {//show 12 payments since there are 12 a year
                   //Thread.sleep(5000);//pause for 5 seconds
                   c = 0;
                }
               }
               }
}