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OffsetTime getLong() method in Java with examples
  • Last Updated : 20 Sep, 2019

The getLong() method of OffsetTime class in Java gets the value of the specified field in the parameter from this time as an long.

Syntax :

public long getLong(TemporalField field)

Parameter: This method accepts a single parameter field which specifies the field to get, not null.

Return Value: It returns the value for the field.

Errors and Exceptions: The program returns three exceptions which are described as below:



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

Below programs illustrate the getLong() method:

Program 1 :

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// Java program to demonstrate the getLong() method
  
import java.time.OffsetTime;
import java.time.temporal.ChronoField;
  
public class GFG {
    public static void main(String[] args)
    {
        // Parses the time
        OffsetTime time = OffsetTime.parse("11:10:10+11:00");
        System.out.println("Gets the long time: "
               + time.getLong(ChronoField.CLOCK_HOUR_OF_DAY));
    }
}

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Output:

Gets the long time: 11

Program 2 :

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// Java program to demonstrate the getLong() method
// Exceptions
  
import java.time.OffsetTime;
import java.time.temporal.ChronoField;
  
public class GFG {
    public static void main(String[] args)
    {
  
        try {
  
            // Parses the time
            OffsetTime time = OffsetTime.parse("11:10:10+11:00");
            System.out.println("Gets the long time: " 
                   + time.getLong(ChronoField.CLOCK_HOUR_OF_DAY));
        }
        catch (Exception e) {
            System.out.println("Excetpion: " + e);
        }
    }
}

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Output:

Gets the long time: 11

Reference: https://docs.oracle.com/javase/8/docs/api/java/time/OffsetTime.html#getLong-java.time.temporal.TemporalField-

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