ChronoLocalDateTime get() method in Java with Examples

The get() method of ChronoLocalDateTime class in Java is used to get the value of the specified field passed as input from this ChronoLocalDateTime as an integer.This method queries this ChronoLocalDateTime for the value of the field and the returned value will always be within the valid range of values for the field. When the field is not supported and the method is unable to return int value then an exception is thrown.

Syntax:

default int get(TemporalField field)

Parameters: This method accepts a single parameter field which represents the field to get.



Return value: This method returns an int value for the field.

Exception: This method throws following exceptions:

  • DateTimeException: if a value for the field cannot be obtained or the value is outside the range of valid values for the field.
  • UnsupportedTemporalTypeException: if the field is not supported or the range of values exceeds an int.
  • ArithmeticException: if numeric overflow occurs.

Below programs illustrate the get() method:
Program 1:

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// Java program to demonstrate
// ChronoLocalDateTime.get() method
  
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.ChronoField;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a ChronoLocalDateTime object
        ChronoLocalDateTime localDT
            = LocalDateTime
                  .parse("2019-12-31T19:15:30");
  
        // apply get() method
        int result
            = localDT.get(ChronoField.NANO_OF_SECOND);
  
        // print result
        System.out.println("Value: "
                           + result);
    }
}

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Output:

Value: 0

Program 2:

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// Java program to demonstrate
// ChronoLocalDateTime.get() method
  
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.ChronoField;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a ChronoLocalDateTime object
        ChronoLocalDateTime localDT
            = LocalDateTime
                  .parse("2018-10-25T23:12:31.123");
  
        // apply get() method
        int result
            = localDT.get(ChronoField.MILLI_OF_SECOND);
  
        // print result
        System.out.println("Value: "
                           + result);
    }
}

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Output:

Value: 123

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/temporal/TemporalAccessor.html#get-java.time.temporal.TemporalField-



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