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MonthDay isSupported() Method in Java
It can be checked if a ChronoField is supported by the MonthDay class or not by using the isSupported() method in the MonthDay class in Java. This method requires a single parameter i.e. the ChronoField to check. It returns true if the ChronoField is supported by the MonthDay class and false otherwise.
A program that demonstrates this is given as follows
Example
import java.time.*; import java.time.temporal.*; public class Demo { public static void main(String[] args) { MonthDay md = MonthDay.now(); System.out.println("The MonthDay is: " + md); boolean flag = md.isSupported(ChronoField.MONTH_OF_YEAR); if(flag) System.out.println("The ChronoField MONTH_OF_YEAR is supported"); else System.out.println("The ChronoField MONTH_OF_YEAR is not supported"); } }
output
The MonthDay is: --02-21 The ChronoField MONTH_OF_YEAR is supported
Now let us understand the above program.
First the current MonthDay object is displayed. Then the isSupported() method is used to check if the ChronoField MONTH_OF_YEAR is supported by the MonthDay class or not. The returned value is stored in flag and the appropriate response is printed. A code snippet that demonstrates this is as follows:
MonthDay md = MonthDay.now(); System.out.println("The MonthDay is: " + md); boolean flag = md.isSupported(ChronoField.MONTH_OF_YEAR); if(flag) System.out.println("The ChronoField MONTH_OF_YEAR is supported"); else System.out.println("The ChronoField MONTH_OF_YEAR is not supported");
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