// FUNCTIONAL!!!! // it is starting at the right date. // need to do so once it passes one month, in the next month it starts at 01 // IT ALSO FINDS PALINDROME // it is now going through the months.... // NEED TO ADDRESS FOR NEXT MONTH, IT STARTS AGAIN AT SAME POSITION - RESOLVED!! //At the end of the year, it is currently starting same month again. Need to get it to roll over year.... and month - resolved // ALL COMPLETE? /* 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 int mmInt; static String ddString; static String mmString; static boolean processedFirstMonth=false; public static void checkPalindrome(String finalDate) { //System.out.println("CHECKING!"); String reverseString; //THIS FAILS TO PICK UP PALINDROME, SO OWN CODE IS REQUIRED int j=0; StringBuffer sb = new StringBuffer(); for (int i=finalDate.length()-1; i>=0; i--) { sb.append(finalDate.charAt(i)); j++; } //System.out.println("CHECKING"); reverseString=sb.toString(); if(finalDate.equalsIgnoreCase(reverseString)) { System.out.println("Palindrome"); System.out.println("***" + finalDate + "***"); } } 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("01/01/2020", 102); } public static int palindromicDates (String date, int years) { int startPos = date.length()-4; createDate(startPos, date, years); return 1; } public static void createDate(int startPos, String date, int years) { yearString = date.substring(startPos, date.length()); year = Integer.valueOf(yearString); ddString = date.substring(0,2); ddInt = Integer.valueOf(ddString); mmString = date.substring(3,5); // This will get section such as / 04 / mmInt = Integer.valueOf(mmString)-1; boolean newYearRollOver=false; // for every year for (int i=0; i<=years; i++) // perhaps need to flip the days first and then months nested inside? { newYearRollOver=false; leapYear=false; //System.out.println("This is the year: " + year); //for every month in n years monthcount=0; 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 /* if (m.name()=="NOVEMBER") // need a switch statement here... to ensure that a prefix of 0 is inserted //for months January - September { } */ switch (mmInt) { case 0: formattedMonth = "01"; System.out.println(m.values()[mmInt].name()); break; case 1: formattedMonth = "02"; System.out.println(m.values()[mmInt].name()); break; case 2: formattedMonth = "03"; System.out.println(m.values()[mmInt].name()); break; case 3: formattedMonth = "04"; System.out.println(m.values()[mmInt].name()); break; case 4: formattedMonth = "05"; System.out.println(m.values()[mmInt].name()); break; case 5: formattedMonth = "06"; System.out.println(m.values()[mmInt].name()); break; case 6: formattedMonth = "07"; System.out.println(m.values()[mmInt].name()); break; case 7: formattedMonth = "08"; System.out.println(m.values()[mmInt].name()); break; case 8: formattedMonth = "09"; System.out.println(m.values()[mmInt].name()); break; case 9: formattedMonth = "10"; System.out.println(m.values()[mmInt].name()); break; case 10: formattedMonth = "11"; System.out.println(m.values()[mmInt].name()); break; case 11: formattedMonth = "12"; System.out.println(m.values()[mmInt].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; if (processedFirstMonth) { ddInt=1; } 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); //System.out.println(temp); //System.out.println(formattedMonth); if (k==daysMonth && formattedMonth=="12") { year++; mmInt=0; // this starts again new year newYearRollOver=true; } } processedFirstMonth=true; if (!newYearRollOver) { mmInt=mmInt+1; } } monthcount++; }while(monthcount<=12); year++; //System.out.println("YEAR IS NOW:$$$$ " + year); } //return 1; } }