Java Amortization Array

Can somebody PLEASE Help me with this problem!! 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 and then list the loan balance and interest paid for each payment over the term of the loan. Use loops to prevent lists from scrolling off the screen.
I am trying to get my code to scroll through each term with an ending balance of 0.00 and then reset to the initial balance for each term but it continues through 360 with the same monthly payment amount and none of the other numbers seem correct either. any help will be greatly appreciated.

import java.util.Scanner;
 
public class Amortization_Array2 {

	public static void main(String[] args) {
		
		double a = 200000.00;
		double[] i = {0.0535, 0.055, 0.0575};
		int[] n = {84, 180, 360};
	  
		
		
		i = new double [3];
		n = new int [3];
	
		
		
		 

		
		
		
			 i[0] = 0.0535;    n[0] = 84;
			 i[1] = 0.055;     n[1] = 180;
			 i[2] = 0.0575;    n[2] = 360;
	
		   
			Scanner keyboard = new Scanner (System.in);
			double r = (1+i[0]/12);
			double monthlyPayments  = a * ( r - 1 ) / ( 1 - Math.pow(r,-n[0]));
			int cnt = 0;
			for ( cnt = 0; cnt <= 84; cnt++)
			
			{ 
			   double interest = a * ( i[0]/12 );
			    r = (1+i[0]/12);
		      double principal = monthlyPayments - interest ;
		      double balance = a - principal;
				 
				

				 a = balance;
				
				 System.out.println("  Payment Number: " + cnt);
				 System.out.print("The monthly Payment Amount is: " );
			    System.out.printf( "%,.2f" , monthlyPayments );
				 System.out.print("  The Interest is: " );
				 System.out.printf( "%,.2f",  interest );
				 System.out.print("  The Principal Payment is: ");
				 System.out.printf( "%,.2f",  principal );
				 System.out.print("  The Balance is: ");
				 System.out.printf( "%,.2f",  balance );
				 
				 if (cnt % 24 == 0)
					{
					System.out.println();
					System.out.println("  Press Enter To Continue...");
					keyboard.nextLine();
					
					 r = (1+i[1]/12);
					 monthlyPayments  = a * ( r - 1 ) / ( 1 - Math.pow(r,-n[1]));
					for ( cnt = 0; cnt <= 180; cnt++)
			
			{   interest = a * ( i[1]/12 );
		       principal = monthlyPayments - interest ;
		       balance = a - principal;
			   

				

				 a = balance;
				
				 System.out.println("  Payment Number: " + cnt);
				 System.out.print("The monthly Payment Amount is: " );
			    System.out.printf( "%,.2f" , monthlyPayments );
				 System.out.print("  The Interest is: " );
				 System.out.printf( "%,.2f",  interest );
				 System.out.print("  The Principal Payment is: ");
				 System.out.printf( "%,.2f",  principal );
				 System.out.print("  The Balance is: ");
				 System.out.printf( "%,.2f",  balance );
				 
				 if (cnt % 24 == 0)
					{
					System.out.println();
					System.out.println("  Press Enter To Continue...");
					keyboard.nextLine();
					
		   r = (1+i[2]/12);		
			monthlyPayments  = a * ( r - 1 ) / ( 1 - Math.pow(r,-n[2]));	
			for ( cnt = 0; cnt <= 360; cnt++)
			
			{   interest = a * ( i[2]/12 );
		       principal = monthlyPayments - interest ;
		       balance = a - principal;
				 
				

				 a = balance;
				
				 System.out.println("  Payment Number: " + cnt);
				 System.out.print("The monthly Payment Amount is: " );
			    System.out.printf( "%,.2f" , monthlyPayments );
				 System.out.print("  The Interest is: " );
				 System.out.printf( "%,.2f",  interest );
				 System.out.print("  The Principal Payment is: ");
				 System.out.printf( "%,.2f",  principal );
				 System.out.print("  The Balance is: ");
				 System.out.printf( "%,.2f",  balance );
				 
				 if (cnt % 24 == 0)
					{
					System.out.println();
					System.out.println("  Press Enter To Continue...");
					keyboard.nextLine();




					}
			}
	  }
}  
}
}
}
}

		   
	

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