Java Hw2/3 Example

3.  public class Expenses{
4.          public static void main(String[] args){
5.                  String expense[] = {"Coffee", "Snacks", "Tuition", "Gas", "Fun", "Website"};// The names of each expenses
6.                  int expFreq[] = {104, 52, 2, 24, 52, 12};// The frequency of each expense
7.                  double amount[] = {3.62, 12, 6500, 55, 25, 4.99};// The amounts of each expense
8.                  double total = 0;
9.                  System.out.printf("%-15s\t%-15s\t%-10s\t%10s\t%15s\n",
10.                                 "Item", "Frequency", "Times", "Amount", "Annual Total");
11.                 for(int i = 0; i < 6; i++){ // do not hard code 6; use array length property
12.                         outputInfo(expense[i], getLabel(expFreq[i]), expFreq[i], amount[i]);
13.                         total += expFreq[i] * amount[i];
14.                 }
15.                 System.out.printf("%-15s\t%-15s\t%-10s\t%10s\t%15.2f\n",
16.                                 "Total", " ", " ", " ", total);
17.         }
18.         public static String getLabel(int times){
19.                 String freq = "";
20.                 switch(times){// Switch statement to determine a string-value for Frequency
21.                 case 2:
22.                         freq = "Bi-Yearly";
23.                         break;
24.                 case 12:
25.                         freq = "Monthly";
26.                         break;
27.                 case 24:
28.                         freq = "Bi-Monthly";
29.                         break;
30.                 case 52:
31.                         freq = "Weekly";
32.                         break;
33.                 case 104:
34.                         freq = "Bi-Weekly";
35.                         break;
36.                 default:
37.                         freq = "Invalid Frequency";// inconsistent with flowchart
38.                         break;
39.                 }
40.                 return freq;
41.         }
42.         public static void outputInfo(String item, String freq, int times, double amount){
43.                 System.out.printf("%-15s\t%-15s\t%-10s\t%10s\t%15s\n",
44.                                 item, freq, times, amount, times * amount);
45.         }// not exactly what was required… in requirement, the method should call getLabel to get label based on times.
46. }