Using jGrasp and the Software Development Kit, write a program in response to th

Question

Using jGrasp and the Software Development Kit, write a program in response to the following prompt:

Design and implement the class Day that implements the day of the week in a program. The class Day should store the day, such as Sun for Sunday. The program should be able to perform the following operations on an object of type Day:

Set the day.

Print the day.

Return the day.

Return the next day.

Return the previous day.

Calculate and return the day by adding certain days to the current day. For example, if the current day is Monday and we add four days, the day to be returned is Friday. Similarly, if today is Tuesday and we add 13 days, the day to be returned is Monday.

Add the appropriate constructors.

Write the definitions of the methods to implement the operations for the class Day, as defined in A through G.

Write a program to test various operations on the class Day.

To submit your compiled Java code for this assignment, compress the .java file into a single .zip file.

For additional details, refer to the Programming Problem Rubric in the Assignment Guidelines and Rubrics folder.

Sample user input and output might be

Enter the day of the week (Sun, Mon, Tue, Wed, Thu, Fri, Sat): Mon

You picked Mon

Previous day is Sun

Next day is Tue

Enter Num: 2

2 day(s) from Mon is Wed

or

Enter the day of the week (Sun, Mon, Tue, Wed, Thu, Fri, Sat): wed

You picked Wed

Previous day is Tue

Next day is Thu

Enter Num: 10

10 day(s) from wed is Sat

Explanation / Answer

Complete Program:

// File: Day.java
public class Day
{
final static int DAYS_IN_WEEK = 7;
private String day;

public Day()
    {
  day = "Sun";
    }

public Day(String strDay)
{
  setDay(strDay);
}
  

public void setDay(String strDay)
{
  day = strDay;
}  

public void printDay()
{
  System.out.println(day);
}

public String getDay()
{
  return day;
}

public String nextDay()
{
  int dayNum = getIntDay(day);
  int next = (dayNum + 1) % DAYS_IN_WEEK;
  return getStrDay(next);
}

public String previousDay()
{
  int dayNum = getIntDay(day);
  int previous = (dayNum - 1 + DAYS_IN_WEEK) % DAYS_IN_WEEK;
  return getStrDay(previous);
}

public void addDays(int days)
{
  int dayNum = getIntDay(day);
  dayNum = (dayNum + days) % DAYS_IN_WEEK;
  day = getStrDay(dayNum);
}

private int getIntDay(String strDay)
{
  if(strDay.equalsIgnoreCase("Sun"))
   return 0;
  else if(strDay.equalsIgnoreCase("Mon"))
   return 1;
  else if(strDay.equalsIgnoreCase("Tue"))
   return 2;
  else if(strDay.equalsIgnoreCase("Wed"))
   return 3;
  else if(strDay.equalsIgnoreCase("Thu"))
   return 4;
  else if(strDay.equalsIgnoreCase("Fri"))
   return 5;
  else if(strDay.equalsIgnoreCase("Sat"))
   return 6;
  else
   return 0;
}

private String getStrDay(int d)
{
  if(d == 0)
   return "Sun";
  else if(d == 1)
   return "Mon";
  else if(d == 2)
   return "Tue";
  else if(d == 3)
   return "Wed";
  else if(d == 4)
   return "Thu";
  else if(d == 5)
   return "Fri";
  else if(d == 6)
   return "Sat";
  else
   return "Sun";  
}
}

// File: DayTest.java
import java.util.Scanner;
public class DayTest
{
public static void main(String[] args)
{
  Scanner input = new Scanner(System.in);
  Day dayObj = new Day();
    
  System.out.print("Enter the day of the week (Sun, Mon, Tue, Wed, Thu, Fri, Sat): ");
  String strDay = input.next();
  
  dayObj.setDay(strDay);
  
  System.out.println("You picked " + dayObj.getDay());  
  System.out.println("Previous day is " + dayObj.previousDay());
  System.out.println("Next day is " + dayObj.nextDay());
  
  System.out.print("Enter Num: ");
  int more = input.nextInt();
  dayObj.addDays(more);
  System.out.println(more + " day(s) from " + strDay + " is " + dayObj.getDay());
}
}

Sample Output 1:

Sample Output 2:

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