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MagicDates.java

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public class MagicDates extends GaddisChallenges {

private int userMonth;

private int userDay;

private int userYear;

private int[] numDaysInMonth = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

public void start() {

print("Ready for some magic? Let's see if you can guess a Magic Date! ");

print("Enter a numerical value for a month: (Example: 1 for January");

int tempMonth = scan.nextInt();

if(tempMonth > 0 && <= 12) {

userMonth = tempMonth;

}

else {

print("You entered a value that is out of range");

}

print("Enter a day in the month: (Example: 15 for the 15th of the month");

tempDay = scan.nextInt();

if (tempDay > 0 && <= numDaysInMonth[userMonth - 1]) {

userDay = tempDay;

}

else {

print("That day is invalid");

}

print("Enter a two-digit year: (Example: 08 for 2008");

tempYear = scan.nextInt();

if (tempYear.toString().length() == 2) {

userYear = tempYear;

}

if (calculateMagic()) {

print("Hooray! You chose a Magic Date! " +

userMonth " * " + userDay + " = " + userYear)

}

private void calculateMagic() {

return (userMonth * userDay == userYear);

}