Mine

import javax.swing.*; // Needed for JOpionPane

public class AcmeBankFINAL {
	public static void main(String[] args)	{
	
		int numYrs = 0;		
		int age;
		double loanAmount = 0.0;
		double anuInRate = 0.0;
		double loanTotal;
		double intRepay;
		double repayFactor;
		double totPayTime;
		double totalPayTime;
		double discount;
		double existAccDis = 0;
		double repaymentFactor = 0;	
		boolean ozCitzen = true;
		boolean existAcc = false; 
		String repaymentMethod = "monthly";		 
		
		//Input LoanAmount, Annual Interest Rate, Number of Years, existing Account,Australian Citzen, Age
		loanAmount = Double.parseDouble(JOptionPane.showInputDialog("Requested Loan Amount"));  
		anuInRate = Double.parseDouble(JOptionPane.showInputDialog("Annual Interest rate"));
		numYrs = Integer.parseInt(JOptionPane.showInputDialog("Number of years over which the loan will be paid in"));
		repaymentMethod = JOptionPane.showInputDialog("Replayment method, either 'quarterly', 'monthly' or 'fortnightly'");
		existAcc = Boolean.valueOf(JOptionPane.showInputDialog("Do you have an existing account, 'true' or 'false'"));
		ozCitzen = JOptionPane.showInputDialog("Do you have an existing account, 'true' or 'false'");
 		age = Integer.parseInt(JOptionPane.showInputDialog("How old are you? In Number format"));
		
		//Special Characteristics for existing Account, Australian Citzen and Their Age
		
		//Discount is the 0.5% of the Annual Interest Rate 
              String Answer;
   
              double discount;
                
  
              Answer = JOptionPane.showInputDialog("Do you have an existing account, 'true' or 'false'");
               
  
              if (Boolean.parseBoolean(Answer))
  
              {
  
                  discount = 0.5;
  
                  JOptionPane.showMessageDialog(null, "Discount = " + discount);
  
              }
  
              else
  
              {   
  
                  discount = 0;
  
                  JOptionPane.showMessageDialog(null, "Discount = " + discount);
  
              }
  
             
  
              Answer = JOptionPane.showInputDialog("Are you an Australian Citzen, 'true' or 'false'");
  
       
  
              if (!Boolean.parseBoolean(Answer))
  
                  JOptionPane.showMessageDialog(null, "Citzen: you can not continue if your not Australian");
			}	
		}
			
		//Loan Total Calc RETURN
		loanTotal = totLoanCalc(loanAmount, anuInRate, numYrs);
		intRepay = intRepay(loanAmount, loanTotal); 	
		existAccDis = existAccDis(anuInRate, discount, loanTotal);
			

		if (repaymentMethod.equals("monthly")) {
			repaymentFactor = 12; 
		} else if (repaymentMethod.equals("quarterly")) {
			repaymentFactor = 4; 
		} else if (repaymentMethod.equals("fortnightly")) {
			repaymentFactor = 26; 
		}
			
		//The Total Repayment of Years and Repayment either Monthly, Quarterly, fortnightly
		totPayTime = totPayTime(numYrs, repaymentFactor);       
       	 
		//Results  
   		JOptionPane.showMessageDialog(null, "Your Total Loan Repayment is" + " " + "$" +loanTotal);     
   		JOptionPane.showMessageDialog(null, "Your Total Loan Repayment is" + " " + "$" +intRepay);
   		JOptionPane.showMessageDialog(null, "Your Total Repayment Period is" + " " +totPayTime); 
		JOptionPane.showMessageDialog(null, "Loan Total with or without Discount" + " " + "$" +existAccDis); 
			
	}
			 
	public static double totLoanCalc(double loanAmount, double anuInRate, int numYrs){
		return loanAmount * (1 + anuInRate / 100 * numYrs);
	}

	//Amount Of Interest Paid
	public static double intRepay(double loanAmount, double loanTotal){
		return loanTotal - loanAmount;
	}

	//Repayment Period
	public static double totPayTime(int numYrs, double payFactor) { 
		return numYrs * payFactor;
	}
			
	//Existing Account Discount
	public static double existAccDis(double anuInRate, double discount, double loanTotal) {
		return loanTotal - (1+ anuInRate / 100 * discount);
	}	
}