/* Online Java - IDE, Code Editor, Compiler Online Java is a quick and easy tool that helps you to build, compile, test your programs online. */ abstract class checkDate { //abstract void createDate(); //abstract void checkPalindrome(); //abstract void checkLeapYear(); } public class Main extends checkDate { static int year; static String yearString; static String finalDate; static Object days; static Object month; static Object objectLeapYearFebruaryDays; static int intLeapYearFebruaryDays; static boolean leapYear; static String temp; static Object prefixZero = "0"; static int daysMonth; static int monthcount; static String formattedMonth; static int ddInt; static String ddString; static int mmInt; static String mmString; static int minDigitsD_Number; static int minDigitsM_Number; static String minDigitsD_String; static String minDigitsM_String; public static void checkPalindrome(String finalDate) { StringBuffer sb = new StringBuffer(finalDate); System.out.println("This is string reversed: " + sb.reverse()); if (finalDate.equals(sb.reverse())) { System.out.println("PALINDROME!!!!"); } } enum Months { JAN (31,1), FEB(28,2) ,MAR(31,3),APR(30,4),MAY(31,5),JUN(30,6), JUL(31,7), AUG(31,8), SEPT(30,9),OCT(31,10), NOV(30,11),DEC(31,12); public int days; public int month; Months (int days, int month) { this.days=days; this.month=month; } } public static void main(String[] args) { System.out.println("Welcome to Online IDE!! Happy Coding :)"); palindromicDates("01/12/2021", 100); } public static int palindromicDates (String date, int years) { int startPos = date.length()-4; createDate(startPos, date); return 1; } public static void createDate(int startPos, String date) { yearString = date.substring(startPos, date.length()); year = Integer.valueOf(yearString); // for every year ddString = date.substring(0,2); // this gets date portion ddInt = Integer.valueOf(ddString); //converted into integer System.out.println("This is ddInt: " + ddInt); mmString = date.substring(3,5); // this gets month portion mmInt = Integer.valueOf(mmString); // 01 to 12 System.out.println("This is mmString: " + mmString); //if (ddInt<10) // if date is less than 10 //{ minDigitsM_Number = mmInt; // 1 also has to be subtraced since this will be used in enum values 0 index based //} if (mmInt<10) { minDigitsM_Number = Integer.valueOf(mmString.substring(1)); } for (int i=0; i<2; i++) //if i is two and 12 months do while = 48times processing months = 4 years // perhaps need to flip the days first and then months nested inside? { leapYear=false; System.out.println("This is the year: " + year); //for every month in n years do { // for every month (can not nest something inside here.......) for (Months m: Months.values()) { System.out.println("How many times!!"); // this runs 12 times System.out.println("NOW: " + minDigitsD_Number); System.out.println("SASSS: " + minDigitsD_Number); int getM = m.values()[minDigitsM_Number].month; String getMonth = m.values()[getM].name(); System.out.println("What is MM: " + getM); System.out.println("What is month: " + getMonth); palindromicDates("01/12/2021", 100); switch (mmString) { case "01": formattedMonth = prefixZero.toString() + Integer.toString(getM); System.out.println(m.values()[0].name()); break; case "02": formattedMonth = prefixZero.toString() + Integer.toString(getM); System.out.println(m.values()[1].name()); break; case "03": formattedMonth = prefixZero.toString() + Integer.toString(getM); System.out.println(m.values()[2].name()); break; case "04": formattedMonth = prefixZero.toString() + Integer.toString(getM); System.out.println(m.values()[3].name()); break; case "05": formattedMonth = prefixZero.toString() + Integer.toString(getM); System.out.println(m.values()[4].name()); break; case "06": formattedMonth = prefixZero.toString() + Integer.toString(getM); System.out.println(m.values()[5].name()); break; case "07": formattedMonth = prefixZero.toString() + Integer.toString(getM); System.out.println(m.values()[6].name()); break; case "08": formattedMonth = prefixZero.toString() + Integer.toString(getM); System.out.println(m.values()[7].name()); break; case "09": formattedMonth = prefixZero.toString() + Integer.toString(getM); System.out.println(m.values()[8].name()); break; case "10": formattedMonth = Integer.toString(getM); System.out.println(m.values()[9].name()); break; case "11": formattedMonth = Integer.toString(getM); System.out.println(m.values()[10].name()); break; case "12": formattedMonth = Integer.toString(getM); System.out.println(m.values()[11].name()); break; } if (year%4==0) //leap year { objectLeapYearFebruaryDays = m.FEB.days; intLeapYearFebruaryDays = (int) (objectLeapYearFebruaryDays)+1; leapYear=true; } System.out.println("This is the month:" + m.name()); days = m.days; if (m.name()=="FEB" && leapYear) { //intDaysFebruaryLeap = (int) days + 1; days = (Object) intLeapYearFebruaryDays; } if (leapYear) { System.out.println("LEAP YEAR!!!!!"); } // for every day daysMonth = (int) days; for (int k=ddInt; k<(int) daysMonth; k++) { System.out.println("*******reach here!!!! " + daysMonth); System.out.println("This is k: " + k); month = m.month; temp=""; temp = Integer.toString(k); if (k<10) { //temp is a string of following objects temp = prefixZero.toString() + Integer.toString(k); // the value taken for the day will be cast back to int //aa = Integer.valueOf(temp); // + prefixZero; } System.out.println("This is the day: " + temp); finalDate = temp + formattedMonth + year; System.out.println("This is final date: " + finalDate); checkPalindrome(finalDate); } } monthcount++; }while(monthcount<=12); year++; } //return 1; } }