Question

1. Create a class called Date that includes three instance variables — a month (type int), a day (type int) and a year (type int). Provide a constructor that initializes the three instance variables and assumes that the values provided are correct. Provide a set and a get method for each instance variable. Provide a method displayDate that displays the month, day and year separated by forward slashes (/). Write a test class named DateTest that demonstrates class Date’s capabilities (see the examples on Java Slides 4.27-4.36)(10 points).

Answer 1

Answer:

public class Date {

  private int month;

  private int day;

  private int year;

  public Date(int m, int d, int y){

      month=m;

      day=d;

      year=y;

  }

  public void setMonth(int Months){

      if(Months>=0 && Months<=12)

          month=Months;

      else{

          month=0;

      }

  }

  public int getMonth(){

      return month;

  }

  public void setDay(int Days){

      if(Days>=0 && Days<=30)

          day=Days;

      else{

          day=0;

      }

  }

  public int getDay(){

      return day;

  }

  public void setYear(int Years){    

      year=Years;

  }

  public int getYear(){

      return year;

  }

  public void displayDate(){

      System.out.printf("%d/%d/%d\n",getMonth(),getDay(),getYear());

  }

}

import java.util.Scanner;

public class DateTest {

  public static void main(String args[]){

      Date date=new Date(0,0,0);

      Scanner input=new Scanner(System.in);

      System.out.println("Enter Month");

      int m=input.nextInt();

      date.setMonth(m);

      System.out.println("Enter Day ");

      int d=input.nextInt();

      date.setDay(d);

      System.out.println("Enter Year");

      int y=input.nextInt();

      date.setYear(y);

      date.displayDate();

  }

}