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Calculate the average rainfall over a period of years

gkilgore
gkilgore asked
on
Medium Priority
3,577 Views
Last Modified: 2013-11-24
The attached program has been written using nested for statements.  The program asks the users the enter the number of years and the inches of rain for each month.  Lastly provide the average inches of rain for the entire period.  

My program is about 90% completed, I'm having problem with where to add the for statement needed to display the average rainfall per month for the entire period?
import java.io.*;
import java.util.*;
import java.text.DecimalFormat;
import javax.swing.JOptionPane;
 
 
 
public class Rain1
{
	public static void main(String[] args)
	{
	
	Scanner in=new Scanner(System.in);
 	int years;
	int month=12;
 	double total=0;
	double average;
	 double months[];
	String input;
	
	months=new double[12];
	
	DecimalFormat dollar = new DecimalFormat("#,##0.00");
 
		input = JOptionPane.showInputDialog("Number of years? "); 
		
		years = Integer.parseInt(input);
		
		
		for(int y=1; y<=years; y++)
 
		{
			System.out.println("Enter the rainfall (in inches for year #"+y+":");
		
		}	
 
				
		for(int n=1; n<=month; n++ )
		{
		System.out.println("Enter the rainfall (in inches) for month #"+n+":");
		months[n-1] = in.nextInt();
		}
	
		total = 0;
		for(int i=0; i<12;i++)
		{
			total=total+months[i];
		}
			System.out.println("The total rainfall for the year is "+ total);
						
			average = total/12;
			System.out.println("The average rainfall of the year is "+ average);
			
		}
	}

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