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Instant range() method in Java
The range of values for a field can be obtained using the range() method in the Instant class in Java. This method requires a single parameter i.e. the ChronoField for which the range of values are required and it returns the range of valid values for the ChronoField.
A program that demonstrates this is given as follows −
Example
import java.time.*;
import java.time.temporal.ChronoField;
import java.time.temporal.ValueRange;
public class Demo {
public static void main(String[] args) {
Instant i = Instant.now();
ValueRange range1 = i.range(ChronoField.MILLI_OF_SECOND);
ValueRange range2 = i.range(ChronoField.MICRO_OF_SECOND);
ValueRange range3 = i.range(ChronoField.NANO_OF_SECOND);
System.out.println("The current Instant is: " + i);
System.out.println("
The Range of MILLI_OF_SECOND is: " + range1);
System.out.println("The Range of MICRO_OF_SECOND is: " + range2);
System.out.println("The Range of NANO_OF_SECOND is: " + range3);
}
}Output
The current Instant is: 2019-02-13T09:09:31.210Z The Range of MILLI_OF_SECOND is: 0 - 999 The Range of MICRO_OF_SECOND is: 0 - 999999 The Range of NANO_OF_SECOND is: 0 - 999999999
Now let us understand the above program.
First the current instant is displayed. Then the range of MILLI_OF_SECOND, MICRO_OF_SECOND and NANO_OF_SECOND is printed using the range() method. A code snippet that demonstrates this is as follows −
Instant i = Instant.now();
ValueRange range1 = i.range(ChronoField.MILLI_OF_SECOND);
ValueRange range2 = i.range(ChronoField.MICRO_OF_SECOND);
ValueRange range3 = i.range(ChronoField.NANO_OF_SECOND);
System.out.println("The current Instant is: " + i);
System.out.println("
The Range of MILLI_OF_SECOND is: " + range1);
System.out.println("The Range of MICRO_OF_SECOND is: " + range2);
System.out.println("The Range of NANO_OF_SECOND is: " + range3);
Updated on: 30-Jul-2019
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