The isFixed() method of ValueRange class is used to check the value range is fixed and fully known or not.For example, the ChronoField day-of-month runs from 1 to between 28 and 31. The maximum value of day-of-month is not fixed, there is uncertainty about it. However, for the month of December, the range is always 1 to 31, thus it is fixed.
Syntax:
public boolean isFixed()
Parameters: This method accepts nothing.
Return value: This method returns true if the set of values is fixed.
Below programs illustrate the ValueRange.isFixed() method:
Program 1:
// Java program to demonstrate// ValueRange.isFixed() method import java.time.LocalDateTime;import java.time.temporal.ChronoField;import java.time.temporal.ValueRange; public class GFG { public static void main(String[] args) { // create LocalDateTime LocalDateTime l1 = LocalDateTime .parse("2018-12-06T19:21:12"); // Get ValueRange object ValueRange vR = l1.range(ChronoField.DAY_OF_MONTH); // apply isFixed() boolean response = vR.isFixed(); // print results System.out.println("isFixed: " + response); }} |
Output:
isFixed: true
Program 2:
// Java program to demonstrate// ValueRange.isFixed() method import java.time.temporal.ValueRange; public class GFG { public static void main(String[] args) { // create ValueRange object ValueRange vRange = ValueRange.of(1111, 66666); // apply isFixed() boolean response = vRange.isFixed(); // print results System.out.println("isFixed: " + response); }} |
Output:
isFixed: true
References: https://docs.oracle.com/javase/10/docs/api/java/time/temporal/ValueRange.html#isFixed()
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