birthdatefinder.java

Give date of birth and which month You were born.Then by running this project you can get which day

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package media;

import java.util.GregorianCalendar;
import java.lang.String;
import java.util.Scanner;

/** Program that asks for your date of birth, then displays the weekday *  that you were born on (i.e., Sunday through Saturday)*/
public class birthDateFinder {

     //Obtain the year of birth         System.out.println("What year were you born in?");        Scanner keyboard = new Scanner(System.in);        String varYear = keyboard.next();         int year = Integer.parseInt( varYear );         //Obtain the month of birth         System.out.println("What month were you born in? (Please type in ALL CAPS)");        Scanner keyboard2 = new Scanner(System.in);        String month = keyboard2.next();         //Obtain the day of the month of birth         System.out.println("What day of the month were you born on?");        Scanner keyboard3 = new Scanner(System.in);        String varDay = keyboard3.next();         int day = Integer.parseInt( varDay );         //========== Calculate day of birth ==========\\         //Change month into number (still concidered a String)         month = month.replace("JANUARY","0");        month = month.replace("FEBRUARY","1");        month = month.replace("MARCH","2");        month = month.replace("APRIL","3");        month = month.replace("MAY","4");        month = month.replace("JUNE","5");        month = month.replace("JULY","6");        month = month.replace("AUGUST","7");        month = month.replace("SEPTEMBER","8");        month = month.replace("OCTOBER","9");        month = month.replace("NOVEMBER","10");        month = month.replace("DECEMBER","11");         //Change month into int         int realMonth = Integer.parseInt( month );         //create the calendar object         GregorianCalendar birthDay = new GregorianCalendar();         //set the calendar with the previously assigned variables         birthDay.set(year, realMonth, day);         //Get the weekday as a number 0-6         int weekday = birthDay.get(GregorianCalendar.DAY_OF_WEEK);         //convert GregorianCalendar.DAY_OF_WEEK into words         String weekDay = String.valueOf(weekday -1);         weekDay = weekDay.replace("0","Sunday.");        weekDay = weekDay.replace("1","Monday.");        weekDay = weekDay.replace("2","Tuesday.");        weekDay = weekDay.replace("3","Wednesday.");        weekDay = weekDay.replace("4","Thursday.");        weekDay = weekDay.replace("5","Friday.");        weekDay = weekDay.replace("6","Saturday.");                 //print the weekday of birth         System.out.println("You were born on a " +(weekDay));        }}import java.util.GregorianCalendar;


        /** Program that asks for your date of birth, then displays the weekday
         *  that you were born on (i.e., Sunday through Saturday)*/
      

            public static void main(String[] args) {   //Obtain the year of birth

                System.out.println("What year were you born in?");
                Scanner keyboard = new Scanner(System.in);
                String varYear = keyboard.next();

                int year = Integer.parseInt(varYear);

                //Obtain the month of birth

                System.out.println("What month were you born in? (Please type in ALL CAPS)");
                Scanner keyboard2 = new Scanner(System.in);
                String month = keyboard2.next();

                //Obtain the day of the month of birth

                System.out.println("What day of the month were you born on?");
                Scanner keyboard3 = new Scanner(System.in);
                String varDay = keyboard3.next();

                int day = Integer.parseInt(varDay);

                //========== Calculate day of birth ==========\\

                //Change month into number (still concidered a String)

                month = month.replace("JANUARY", "0");
                month = month.replace("FEBRUARY", "1");
                month = month.replace("MARCH", "2");
                month = month.replace("APRIL", "3");
                month = month.replace("MAY", "4");
                month = month.replace("JUNE", "5");
                month = month.replace("JULY", "6");
                month = month.replace("AUGUST", "7");
                month = month.replace("SEPTEMBER", "8");
                month = month.replace("OCTOBER", "9");
                month = month.replace("NOVEMBER", "10");
                month = month.replace("DECEMBER", "11");

                //Change month into int

                int realMonth = Integer.parseInt(month);

                //create the calendar object

                GregorianCalendar birthDay = new GregorianCalendar();

                //set the calendar with the previously assigned variables

                birthDay.set(year, realMonth, day);

                //Get the weekday as a number 0-6

                int weekday = birthDay.get(GregorianCalendar.DAY_OF_WEEK);

                //convert GregorianCalendar.DAY_OF_WEEK into words

                String weekDay = String.valueOf(weekday - 1);

                weekDay = weekDay.replace("0", "Sunday.");
                weekDay = weekDay.replace("1", "Monday.");
                weekDay = weekDay.replace("2", "Tuesday.");
                weekDay = weekDay.replace("3", "Wednesday.");
                weekDay = weekDay.replace("4", "Thursday.");
                weekDay = weekDay.replace("5", "Friday.");
                weekDay = weekDay.replace("6", "Saturday.");

                //print the weekday of birth

                System.out.println("You were born on a " + (weekDay));
            }
        }