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1 // joi/5/bank/class Month 2 // 3 // 4 // Copyright 2003 Bill Campbell and Ethan Bolker 5 6 import java.io.*; 7 import java.util.Calendar; 8 9 /** 10 * The Month class implements an object that keeps 11 * track of the month of the year. 12 * 13 * @version 5 14 */ 15 16 public class Month 17 { 18 private static final String[] monthName = 19 {"Jan", "Feb", "Mar", "Apr", "May", "Jun", 20 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; 21 22 private int month; 23 private int year; 24 25 /** 26 * Month constructor constructs a Month object 27 * initialized to the current month and year. 28 */ 29 30 public Month() 31 { 32 Calendar rightNow = Calendar.getInstance(); 33 month = rightNow.get( Calendar.MONTH ); 34 year = rightNow.get( Calendar.YEAR ); 35 } 36 37 /** 38 * Advance to next month. 39 */ 40 41 public void next() 42 { 43 // needs completion 44 } 45 46 /** 47 * How a Month is displayed as a String - 48 * for example, "Jan, 2003". 49 * 50 * @return String representation of the month. 51 */ 52 53 // public String toString() 54 // { 55 // } 56 57 /** 58 * For unit testing. 59 */ 60 61 public static void main( String[] args ) 62 { 63 Month m = new Month(); 64 for (int i=0; i < 14; i++, m.next()) { 65 System.out.println(m); 66 } 67 for (int i=0; i < 35; i++, m.next()); // no loop body 68 System.out.println("three years later: " + m); 69 for (int i=0; i < 120; i++, m.next());// no loop body 70 System.out.println("ten years later: " + m); 71 } 72 } 73
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