Java program to find the day of a given date. Oct 21, 2013 · java. If you are working for an Android project and your Android API level is still not compliant with Java-8, check Java 8+ APIs available through desugaring and How to use ThreeTenABP in Get Day of the week From given Date in Java. Here the user is provided the flexibility to enter the year of their own choice as Scanner Class is imported here rest of the if-else blocks are also combined in a single statement to check if the input year is a leap year. Month 4, 6, 9, 11, max 30 days. Nov 9, 2013 · extract the day of month of today's date. 401. BUT the conditions goes on increasing when i am using calendar. Here Date object is converted to a string and represented as: day mon dd hh:mm:ss zz yyyy day : day of the week mon : month dd : day of the month hh : hour mm : minute ss : second z In order to create a Date object of a given string date format, the SimpleDateFormat class is very helpful. getInstance(); cal. You just need to write the method, getDay, which returns the day on that date. Then, the resulting seconds should be used as a new unix timestamp and read formatted in whatever format you want. Now, let's Nov 3, 2020 · This article shows how to use the Java 8 DateTimeFormatter to check if a date format is valid in Java. Let's take an example and apply it to the code below. This method returns a Calendar object initialized with the current date and time in the default time zone. day = 1; daysElased = 3; final LocalDate nextSunday = today. . I am unable to complete this. Instant class in java. See Tutorial by Oracle. setTime(date); Now to point to the last day of the month I am using the following code: c. It can be considered to be based on the conversion between Julian’s day and the calendar date. Add the month’s key value, from the following table to the value obtained in step 3. In the first step, we will create an instance of the SimpleDatFormat class and convert the string Nov 24, 2022 · Difference between two dates is: 2 years, 152 days, 5 hours, 20 minutes, 30 seconds. time type. But every week has exactly 7 days. This is one of the many things that have become a lot easier with the advent of java. The day of the week is represented with an integer between 0 and 6, where 0 is Sunday and 6 Saturday. How can I get the proper value of Day? P. Calendar. 1) Create an object. Jan 1, 2013 · The user needs to enter the dates in the following format: dd-MM-yyyy. A typical application is to calculate the day of the week on which someone was born or some other special event occurred. util. Date first convert to a java. Milliseconds using a DateTimeFormatter object. For the year 1879, it’s 79. I have to make sure that the start date entered by the user should be a date earlier than the end-date. Examples: Input: date = “2020-07-18”. Apr 10, 2023 · To calculate the Year Code, use this formula: (YY + (YY div 4)) mod 7. But I am expecting an output as . So we take Monday as first day: 0 Monday. public static void main ( String args []) throws IOException {. Find result year y2 and offset of result year offset2 (Refer Jan 21, 2010 · To achieve what you want, you first need to get a Calendar, clear it and set the known values. To get a date from a calendar in Java, follow the steps below: Step 1: Create a Calendar object. 2. Calendar class, which represents a calendar. First, divide YY by 4 and discard the remainder: 79 div 4 = 19. Below is the implementation of the above approach: Java. It will work for Java 8 or later. In Java 8, Period class is used to define an amount of elapsed time with date-based values (years, months, days). Date javadoc. DAYS. getActualMaximum(Calendar. Oct 26, 2017 · Java Date find day. m1=date [1] [1]-date [0] [1]; Finally, after getting the exact difference between the two dates in years (y Nov 5, 2019 · The get () method of java. Use the handy YearMonth class. Original Output : 02/01/2017. Method 1: Using get () method of LocalDate class. d=date [1] [2]-date [0] [2]; Similarly, if the month of second date is not smaller than first then, the difference is calculated as usual only. Month 1, 3, 5, 7, 8, 10, 12, max 31 days. Examples: Input : Birth date = 07/09/1996. The input date '2023-06-14' is a past date. Apr 20, 2024 · If day of second is not smaller than first then, the difference is calculated as usual only. Following are the methods of the date class. of( "Asia/Tokyo" ) ) ; int daysAhead = 5 ; LocalDate later = today. Calendar, and java. Date; public class JavaDateGetDayExample1 {. But it gives the same result. Output: Time Complexity : O (1) Auxiliary Space: O (1) Short Solution of leap year program. Instant instant = myJavaUtilDate. getInstance(); Sep 27, 2017 · I need to write a program that falls under these guidelines: Write a program DayOfWeek. Tutorials on Java 8’s new Date and Time API Overview of Java 8's new Date and Time API Click to Read Overview of Java 8's new Date-Time API Working with time zones in Java 8| ZonedDateTime, ZoneId tutorial with examples Click to Read tutorial on time zone handling in Java 8 How to convert LocalDate to String and String to LocalDate Click to Read tutorial on String to LocalDate conversions Jun 17, 2009 · The java. This program will return "Tuesday", which was the day of the week that on "July 2, 1985". The summer months in June, July and August. May 5, 2014 · Program Purpose: Enter any date from the 1800 to the present day, and this program will display the day of the week from the date entered. Java 8 introduced new APIs for Date and Time to address the shortcomings of the older java. When you find a date with a difference less than that of the what you're keeping track of in (2), update the difference and the current closest date . DateTimeFormatter. Convert the DOB to the LocalDate object. In this example, we have used the built-in isleap () function of the calendar module to check the leap year program in Python. between () method is used to calculate the difference between two dates in years, months, and days. Given you’re using the effectively deprecated Date class, the simplest (not the best) way is: returnDate = new Date(borrowDate. LocalDate. SimpleDateFormat are now legacy, supplanted by the java. Present date = 07/12/2017. The Instant class represents a moment on the timeline in UTC with a resolution of nanoseconds. import. text. The input date '2019-03-21' is a past date. Example: If a user entered "July 2 , 1985". out. Take a date from the user in the form of date (d) - month (m) -year (y). Jan 10, 2017 · 01/10/2017(mm/dd/yyyy) Calendar c = c. Then add 19 back into the YY number, which is 79 in this case, resulting in 98. Let us discuss each of them in detail alongside implementing the methods. The get () method of the Calendar class can be used to extract the day of the week from a given date. In the above program, we've defined a pattern of format Year-Month-Day Hours:Minutes:Seconds. Tip: Pass objects of this class around your code base rather than mere integers to benefit from type-safety, guaranteed valid values, and more self-documenting code. get(Calendar. Is there an built-in function which can help me May 6, 2011 · I am new with using java. getDayOfWeek(); System. Here's an example that demonstrates how to get the day of the week from a given date in Java: Jan 8, 2024 · First, we extract the day as a number using java. Examples: Method 1: 1) Let given date be d1, m1 and y1. time classes built into Java 8 and later. In the main class, we will create the object of the Employee class, and by using its object, we will access the Feb 7, 2011 · Just like any other language; convert your time periods to a unix timestamp (ie, seconds since the Unix epoch) and then simply subtract. Jan 11, 2019 at 6:42. While calculating the difference in two dates we need to just keep track of two conditions that will do. Step-by-step algorithm: If the month is February, return 28. By default, LocalDate. Very easy with the java. The Period. plusDays( daysAhead ) ; Mar 1, 2023 · Method 1: Using Instant Class. Since this question has the initial day inclusive, the resulting day will be after 1(Monday),2,3(Wednesday) have passed, that is Thursday. Date, c. time functionality to Java 6 & 7. Return Value: It returns a Boolean value. Dec 26, 2013 at 7:58. I coded this but it's not even working and I am stuck on this. import javax. Examples: Input: D = 15, M = "January"Output: 16 JulyExplanation: The date from the 15th of January to the next half year is 16th of July. As it is an enum, it has ordinal values associated with Jan 5, 2024 · The algorithm to find the day of the week for a given date in the past or future is: Import calendar module in the program. Your java. println(num + " is not a prime number. Below are the requirements for a valid date. If date is invalid then show "you have entered an invalid Sep 11, 2022 · It would be easier if one is able to memorize the codes which are very easy to learn. May 6, 2023 · Java provides the java. t Age = Years: 7 Months: 11 Days: 21. Nov 28, 2023 · Javascript. Let the input be in the format "dd mm yyyy". Below is the Java program to implement the approach: In order to create a Date object of a given string date format, the SimpleDateFormat class is very helpful. *; // This is my program. toLocaleString() and creating new date object from it. Oct 26, 2015 · I want to display tomorrow's date following a given date ( month date year) I have no experience of programming but I'm trying to get used to doing this. time classes that supplant the troublesome old date-time classes bundled with the earliest versions of Java. Jan 8, 2024 · In Java 8, the Time API introduced two new classes: Duration and Period. Method 3: Use Period class in Java to find the difference between two days. Date. toString() : java. In the code I save the dates in two strings. java that takes a date as input and prints the day of the week that date falls on. Instant Dec 10, 2014 · Note that if the first day of the week in your culture is Sunday and the date your start with is a Sunday, the set method moves the date to the following Monday-not the preceding one-and you end up calculating second Monday after the given date. import java. Date to an Instant, call Date::toInstant. Output Format. Calendar: public static int getDayNumberOld(Date date) { Calendar cal = Calendar. toInstant() ; // Convert from legacy `java. Add the day of the month to the value obtained in step 2. Using LocalDate [Java 8] Dec 22, 2022 · The task is to find the date after adding x days to the given date. Oct 28, 2014 · (A) First parse any strings to get date-time objects, then do you work and execute your business logic. May 2, 2020 · Java examples to get the next day or the previous day for any given day. Mar 1, 2019 · I want to create a Java Program that takes a date as input (27,2,2019) and print out what day it was. If we print the instance of LocalDateTime class, it prints the current date and time. Unlike a j. atStartOfDay () The simplest way of getting a LocalDateTime representing the beginning of a particular day is by using the atStartOfDay () method: LocalDateTime startOfDay = localDate. This gets us the formatted string output. For any Feb 20, 2023 · Given two dates, Write a Python program to find the total number of days between them. Approach: To solve the problem, follow the below idea: Input the name of the month and print the corresponding number of days using if-else statement. I am not getting the expected output. Calendar calendar = Calendar. time package built into Java 8. Return Value: The return type of this Running the above code will give you the following output: The input date '2023-12-31' is a future date. public static void main (String [] args) {. Read from the user or input date of birth (DOB). It's relatively easy to implement and given three parameters year (YYYY), month (MM) and day (DD) it will produce a number between 0 and 6 representing the day of the week on that date. io . (C) All of your questions are duplicates, covered in hundreds of other questions and answers. Jul 29, 2020 · To simplify your task, we have provided a portion of the code in the editor. In this program, we will be using the java. LocalDateTime now = LocalDateTime. Using Scanner Class. here's code in python: Feb 15, 2024 · Given a number N and a power P, the task is to find the exponent of this number raised to the given power, i. Month: July. Mar 18, 2011 · By the way, you should take care to leap seconds in your computation: the last minute of a year may have an additional leap second so it indeed lasts 61 seconds instead of expected 60 seconds. Date d=new Date (); System. It is because a number is not divisible by more than its half. api. *; Jan 6, 2014 · And he give a task to get day of the given date, month and year as input and he told don't use inbuilt calendar api or packages. Calendar defines constants for this: Calendar. Method & Description. LocalDate; import static java. So we divide Total_days by 7 and store the reminder inside variable day. Syntax: Parameters: The function accepts a single parameter when which specifies the date that has to be checked. Ask Question here is my code: How to get the day of week for a given date when the week begins on a Monday? 17. public String getAniversaryDate(int xdayFromTodaysDate ){. Divide it by 4 and discard any remainder. calendar. The first step is to create a Calendar object using the getInstance () method of the Calendar class. toInstant(); Assign a time zone to get a ZoneDateTime. time, convert back and forth. SUNDAY; Date ( ) This constructor initializes the object with the current date and time. In order to get the date of birth from the current date or any specific date, we should follow the steps given below. *; The classes defined in the above package, basically represent date-time concepts including all the parameters which are date, timezones, etc. If the month is April, June, September or November Jan 10, 2022 · In a very broad sense, I can visualize three solutions for this age calculator program. The winter months are in December, January and February. time, the modern Java date and time API. 2. format. Output the correct day in capital Given a java. Date` class to modern `java. LocalDate. Date class method. js Customize First Day of Week and First Week of Year; Find day of the week for a given date; How to get Day, Month and Year from Date in Java; C program to display Mar 19, 2020 · If by your Question you meant skip five days later, then determine if that date is a weekday, if not move to the next weekday, then we use the temporal adjuster nextWorkingDayOrSame. It is similar to the Date class but gives better accuracy. Feb 17, 2023 · Given the current date and birth date, find the present age. Instant instant = myUtilDate. May 4, 2021 · Find the date after next half year from a given date; Find the day of the week after K days from the given day; Find the day number in the current year for the given date; Moment. Example 1. Step 4: Convert next date to string form as input. LocalDate class from Java 8. – Basil Bourque. println(day); Output: SUNDAY. Have a variable that is the difference between the current closest date and the current date . For Example : Today date : 11/27/2018. It returns the day of the week represented by this date object. Aug 2, 2017 · Current Date and Time is: 2017-08-02 11:29:57. The input date '2024-06-30' is a future date. atStartOfDay(); This method is overloaded, thus in case we want to get a ZonedDateTime from it, we can do so by specifying the ZoneId: ZonedDateTime Dec 14, 2018 · 2. Note: Since our reference year 1900 has Monday on 1st of January. Call new conversion methods added to the old classes. Leap year, February 29 days. DayOfWeek is an in-built function in Java which takes a TemporalField as parameter and gets the value of the specified field from this day-of-week as an int. Jan. And the autumn months in September, October and November. Its returning me the first day of next month. Date)); Expected Output : 01/31/2017. Can someone help me out please. Jan 18, 2024 · Zeller’s congruence is an algorithm devised by Christian Zeller to calculate the day of the week for any Julian or Gregorian calendar date. *; public class day_of_date {. Dec 25, 2023 · 1. Of course we now have got an enum for the days of the week. Sr. swing. Step 2: Get the milliseconds from date and add 1 day milliseconds (24 * 60 * 60 * 1000) Step 3: Next, covert this addition of milliseconds to date and this will be next date for the given date. Feb 20, 2021 · In this HackerRank Java Date and Time problem in a java programming language, You are given a date. now(); Oct 21, 2013 · java. Output : Present Age = Years: 21 Months: 3 Days: 0. Constraints. For Instance, If my dateString is Thu Jun 20 2013 05:30:00 GMT+0530 (India Standard Time) it gives output as 4-6-2013. System. Steps: Take the last 2 digits of the year. Date, a DateTime truly knows its assigned time zone. Jun 2, 2020 · Code : // Program in JAVA to accept a date in the string format dd/mm/yyyy and accept the name of the day on 1st January of the corresponding year and to find the day for the given date. I want to allow the current date also. In order to create a java employee details program, we need to create a class for the employee entity and create properties of the employees. Check the given date is valid or not. Date (long millisec) This constructor accepts an argument that equals the number of milliseconds that have elapsed since midnight, January 1, 1970. Use Joda-Time and/or java. Write a function that calculates the day of the week for any particular date in the past or future. DayOfWeek is an enum representing the seven days of the week – Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. api to manipulate dat . Jun 24, 2013 · The getDay() value is the index of day in a week. There are the following steps that we will use to find the date difference using SimpleDateFormat and Date classes. Your end day-of-month 30 is not greater than or equal to your start day-of-month 31, so a third month is not considered. Examples: Input: N = 5, P = 2 Output: 25 Input: N = 2, P = 5 Output: 32 Below are the various ways to find NP: Method 1: Using Recursion Java Code // Java program to find the power of a number // using Recursion class GFG { // Functio Aug 2, 2023 · Approach: There are 4 main seasons in a year, that is, Summer, Autumn, Winter and Spring. If the date is valid then execute the next statement. Jul 9, 2021 · Methods: There are many ways to get a year from date of which frequently used two methods are listed below. Find result year y2 and offset of result year offset2 (Refer Nov 7, 2019 · The java. (B) As Sergio said, avoid using the java. YY is the last two digits of the year. The LocalDateTime. Find offset (number of days spent from beginning to given date) of given year (Refer offsetDays () below) 2) Let offset found in above step be offset1. Explanation: The given date is ‘2020-07-18’, so the day is: 18, the month is: July, and the year is: 2020. The date is older than current day. For any given moment, the date varies around the globe by zone. Using split () method of String class. set(Calendar. getTime() + TimeUnit. // We know week number and year. DAY_OF_WEEK); } The resulting number ranges from 1 (Sunday) to 7 (Saturday). parse() method parsed a date using ISO_LOCAL_DATE pattern (yyyy-MM-dd Get Current Date and Time: java. Apr 30, 2021 · * For any reason, if you have to stick to Java 6 or Java 7, you can use ThreeTen-Backport which backports most of the java. Let’s see with the help of example: Feb 20, 2023 · Given a positive integer D and a string M representing the day and the month of a leap year, the task is to find the date after the next half year. Jan 21, 2010 · To achieve what you want, you first need to get a Calendar, clear it and set the known values. No. K is the year of the century (year % 100). Date and java. S: I tried using . 3. Convert the String to Date using the Instant. String tempDate = "2020-03-29"; LocalDate date = LocalDate. Oct 21, 2022 · Find day of the week for a given date. A time zone is crucial in determining a date. In the first step, we will create an instance of the SimpleDatFormat class and convert the string Feb 15, 2013 · The date is older than current day. It will automatically set the date to first day of that week. time package,using import java. A single line of input containing the space separated month, day and year, respectively, in format. Date is converted to a Joda-Time DateTime object. We will create the getter and setter for getting and setting the values of the properties. Dec 6, 2016 · You can get the day of the week for a specific date in Java using Calendar class as discussed here: How to determine day of week by passing specific date? You can then loop over the dates in your range to find the first instance of Sunday and the second instance of Monday. Below is the code which I have been trying: Aug 31, 2016 · The start date is included, but the end date is not. May 29, 2017 · The LocalDate class represents a date-only value without time-of-day and without time zone. Common year, February 28 days. The date is future day for givenDate as today. Furthermore: A month is considered if the end day-of-month is greater than or equal to the start day-of-month. NP. Date format – uuuu-M-d. If the first day of the week is Monday everything works as expected. Search for Joda-Time DateTime plusDays for many examples. DayOfWeek Enum. Output: Day: 18. Oct 12, 2009 · But if you must inter-operate with old code not yet updated to java. getInstance(); c. In this case, the best way to represent a date in Java is by using LocalDate class. 8. tostring() method is a java. They are terrible. You can use getDayOfWeek() method of LocalDate class to get day name of week from date in java. For example, a few minutes after midnight in Paris France is a new day while still “yesterday” in Montréal Québec. It displays the Current date and time. Date and time is expressed using such fields. Find the total number of days taken to complete work. We can use this example code to calculate tomorrow’s and yesterday’s dates based on the date of today. YearMonth. You can find detail in java. I want to point to the previous working day for a given day using java. with(previous(SUNDAY)); This approach also works for other temporal classes like ZonedDateTime. u. It is an algorithm to find the day of the week for any date. after () method is used to check whether the current instance of the date is after the specified date. Then, we've used LocalDateTime's format() method to use the given formatter. If given a java. Example Input : 03 02 1997 Output : MondayInput : 31 01 2019Output : ThursdayThe already discussed approach to extract weekdays from a given date for a given date is the Naive approach. Java 8 Period class. getDay ()); } } Nov 30, 2020 · Step 1: Convert the string to date. For m use 1 for January, 2 for February, and so forth. Given below is a Java 8 program to calculate the age of a person Oct 13, 2023 · 1. Steps to get the previous date: Step 1: Convert the string to date. As written, it assumes the following static imports: import java. Back-ported to Java 6 & 7, and further adapted to Android. For example, if you are given the date , the method should return as the day on that date. parse () method. This solution requires more than Nov 26, 2022 · Using java. Input Format. Using get () method of Calendar class. Date and . The next step is: 98 mod 7. Output: 28. Note the parameter names: Jan 2, 2019 · The before () method of Java Date class tests whether the date is before the specified date or not. time. xdayFromTodaysDate = 2 to get date as 11/29/2018. Explanation: The program outputs 1 if the year is a leap and 0 if it’s not a leap year. I know only loops, conditions (if, else), basic array, and basic class, objects and methods And finally i don't know these in so deep. The input date '2020-12-31' is a past date. now( ZoneId. The TemporalField is a field of date-time, such as month-of-year or hour-of-minute. Feb 20, 2023 · Given that person A takes a days to do a certain piece of work while person B takes b days to do the same work. If A and B started the work together and n days before the completion of work, A leaves the work. LocalDate today = LocalDate. time package gives nanosecond accuracy. In the above program, for loop is used to determine if the given number num is prime or not. xdayFromTodaysDate = -2 to get date as 11/25/2018. The spring months in March, April and May. It provides various methods to extract information from a date. Oct 20, 2012 · Now, for example, if the day today is 1(Monday) and the daysElapsed since today is 3, then the day should be Thursday. with(next(SUNDAY)); final LocalDate thisPastSunday = today. setTime(date); return cal. 29 is a prime number. The example uses legacy java. *; Dec 22, 2022 · The task is to find the date after adding x days to the given date. It will return true if this date is before the specified date otherwise false. Examples: Input: a = 10, b = 20, n = 5 Output: 10 Input: a = 5, b = 15, n = 3 Output: Aug 10, 2022 · Write a Python program to extract weekdays from a given date for any particular date in the past or future. FYI, the terribly troublesome old date-time classes such as java. Jan 2, 2019 · Following are some important date class methods : . e. Examples: Input : dt1 = 13/12/2018, dt2 = 25/2/2019Output : 74 daysInput : dt1 = 01/01/2004, dt2 = 01/01/2005Output : 366 days Naive Approach: One Naive Solution is to start from dt1 and keep counting the days till dt2 is reached. The reference is 1,1,1 which is a Monday. getInstance(); CODE : To get x days ahead or Previous from Today's date, To get the past date or Future date. Nov 25, 2016 · I'm trying to make it compare what day of the week it is and if it is a weekend then perform an action(not implemented yet) but if I put in today's date 25/11/2016 or tomorrows which is a Saturday 26/11/2016, it still only prints "WEEKDAY". 1. Approach: Get the String to be converted. Mar 4, 2024 · Input: month = “february”. else. Using get () method LocalDate class. Example: java report 01-01-2013 31-03-2013. Feb 7, 2023 · LocalDate and DateTimeFormatter (Java 8 and Later) 1. In this tutorial, let’s start with the issues in the existing Date and Calendar APIs and discuss how the new Java 8 Date and Time APIs address them. Total_days = (diff – leap) x 365 + leap x 366; Now every year has 12 months, but each month has different number of days. Here is some example code. Date class bundled with Java is notoriously troublesome, and should be avoided. In this section, we will create a Java program that calculates age from the given date of birth or current date. I also took leap years to account. "); Output. Overview. int week = 3; int year = 2010; // Get calendar, clear it and set week number and year. SATURDAY. The weekdays are considered all 7 days from Sunday, Monday till Saturday. Date, java. The LocalDate class represents a date-only value without time-of-day and without time zone. For moving from a java. Calendar classes. parse(tempDate); DayOfWeek day = date. Each class includes support for printing and parsing all manners of date as Jan 8, 2024 · 2. The ISO specification even plan for possibly 61 seconds. Date class as well as java. Right now while giving current day as gievnDate,its always showing . Jan 1, 2012 · 1. Here, note that we are looping from 2 to num/2. To format the current date, you can use DateTimeFormatter class which is included in JDK 1. Explanation: February has 28 days. If we want to calculate the difference between two date-times in a time-based (hour, minutes, or seconds) amount of time, we can use the Duration class: @Test public void givenTwoDateTimesInJava8_whenDifferentiating_thenWeGetSix() {. println ("day of the week is : "+d. – Feb 1, 2023 · Given a date in the form of a string, the task is to write a Java Program to get the day, month, and year from the given date. now () method returns the instance of LocalDateTime class. The modern approach uses the java. We will also look at some of the core classes of the new Feb 17, 2023 · Given a positive integer D and a string M representing the day and the month of a leap year, the task is to find the date after the next half year. Year: 2020. Nov 24, 2022 · Difference between two dates is: 2 years, 152 days, 5 hours, 20 minutes, 30 seconds. SUNDAY – Calendar. Syntax: Parameter: It takes only one parameter specifiedDate of data type Date. > java report startDate endDate. 1. toMillis(14)); – Bohemian ♦. Your program should take three command-line arguments: m (month), d (day), and y (year). Apr 7, 2023 · Learn to determine which day of the week is a given date in Java. DayOfWeek. I am just assuming the usage of Gregorian Calender only. Default Pattern ->'yyyy-MM-dd' The best chances are that your application already uses Java 8 or a later release. The input date '2021-12-31' is a past date. At the end, the current closest date is the closest date in the collection. Create an empty Instant timestamp object. CODE : To get x days ahead or Previous from Today's date, To get the past date or Future date. This is the date which is to be checked in comparison to the instance of the date calling the function. Java Calculate Age. cp ag ka km vh tw wv fk sl ct