Computers and Technology, 12.03.2020 01:07 parmer6527p810bw

In this lab, you add the input and output statements to a partially completed Java program. When completed, the user should be able to enter a year, a month, and a day to determine if the date is valid. Valid years are those that are greater than 0, valid months include the values 1 through 12, and valid days include the values 1 through 31.

Instructions

Notice that variables have been declared for you.

Write the simulated housekeeping() method that contains input statements to retrieve a year, a month, and a day from the user.

Add statements to the simulated housekeeping() method that convert the String representation of the year, month, and day to ints.

Answers: 2

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Answers

Answer from: sadie950

import javax.swing.JOptionPane;

public class BadDate {

private static final int MINIMUM_YEAR = 0, MINIMUM_MONTH = 1, MAXIMUM_MONTH = 12, MINIMUM_DAY = 1, MAXIMUM_DAY = 31;

private int year = 0;

private int month = 0;

private int day = 0;

public void housekeeping() {

String yearData = JOptionPane.showInputDialog("Enter year");

String monthData = JOptionPane.showInputDialog("Enter month");

String dayData = JOptionPane.showInputDialog("Enter day");

this.year = Integer.parseInt(yearData);

this.month = Integer.parseInt(monthData);

this.day = Integer.parseInt(dayData);

}

public boolean isLeapYear(){

if(((this.year % 400) == 0) || (((this.year % 4) == 0) && ((this.year % 100) != 0)))

return true;

else

return false;

}

public void endOfJob() {

boolean validDate = true;

if((month < MINIMUM_MONTH) || (MAXIMUM_MONTH < month))

validDate = false;

else {

if(((month == 1) || (month == 3) || (month == 5) || (month == 7) ||

(month == 8) || (month == 10) || (month == 12)) && ((day < 1) || (31 < day)))

validDate = false;

else if(((month == 4) || (month == 6) || (month == 9) || (month == 11)) && ((day < MINIMUM_DAY) || (30 < day)))

validDate = false;

else if(month == 2) {

if(isLeapYear() && ((day < MINIMUM_DAY) || (29 < day)))

validDate = false;

else if((day < MINIMUM_DAY) || (28 < day))

validDate = false;

}

if (validDate) {

JOptionPane.showMessageDialog(null, "Date: " + this.month + "/" + this.day + "/" + this.year);

System.out.println(this.month + "/" + this.day + "/" + this.year + " is a valid date");

} else {

JOptionPane.showMessageDialog(null, this.month + "/" + this.day + "/" + this.year + " is an invalid date");

System.out.println(this.month + "/" + this.day + "/" + this.year + " is an invalid date");

}

public static void main(String args[]) {

BadDate date = new BadDate();

date.housekeeping();

date.endOfJob();

}

Explanation:

Take the year, month and day from user as an input.Check if the year of this date is a leap year inside the isLeapYear method.Inside the housekeeping method , take the year, the month and day to ensure that date is valid .Display positive response by printing valid date if date is correct.Otherwise alert user that an invalid date was entered.

Answer from: Quest

a1.) template

b2.) master page

Answer from: Quest

the answer is a : ) hope that

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In this lab, you add the input and output statements to a partially completed Java program. When com...

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