How to combine date and time using YearMonth class in Java

How to represent fixed dates such as credit card expiration, the answer lies in YearMonth

Similar to the example of checking recurring events on MonthDay, YearMonth is another combination class used to represent the arrival of credit cards Date, FD expiration date, futures option expiration date, etc. You can also use this class to get the number of days in the current month. The lengthOfMonth() method of the YearMonth instance can return the number of days in the current month, which is very useful when judging whether February has 28 or 29 days.

package com.shxt.demo02;  
import java.time.*;  
public class Demo13 {      
public static void main(String[] args) {          
YearMonth currentYearMonth = YearMonth.now();          
System.out.printf("Days in month year %s: %d%n", currentYearMonth, currentYearMonth.lengthOfMonth());          
YearMonth creditCardExpiry = YearMonth.of(2019, Month.FEBRUARY);          
System.out.printf("Your credit card expires on %s %n", creditCardExpiry);      
}  
}

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