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ZoneOffset ofOffset() method in Java with Examples
  • Last Updated : 13 Dec, 2018

The ofOffset() method of the ZoneOffset class used to obtain an instance of ZoneOffset wrapping an offset.If the prefix passed in this method is “GMT”, “UTC”, or “UT” a ZoneOffset with the prefix then the non-zero offset is returned and If the prefix is empty “” then the ZoneOffset is returned.

Syntax:

ublic static ZoneId ofOffset(String prefix,
                              ZoneOffset offset)

Parameters: This method accepts two parameters prefix and offset where prefix represents the time-zone ID and offset represents the offset.

Return value: This method returns the zoneId.

Exception: This method throws an IllegalArgumentException if the prefix is not one of “GMT”, “UTC”, or “UT”, or “”.



Below programs illustrate the ofOffset() method:

Program 1:




// Java program to demonstrate
// ZoneOffset.ofOffset() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create ZoneId object
        ZoneId zoneId
            = ZoneId.ofOffset("UTC",
                              ZoneOffset.UTC);
  
        // Print the ZoneOffset
        System.out.println("ZoneOffset: "
                           + zoneId);
    }
}
Output:
ZoneOffset: UTC

Program 2:




// Java program to demonstrate
// ZoneOffset.ofOffset() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create ZoneId object
        ZoneId zoneId
            = ZoneId.ofOffset("GMT",
                              ZoneOffset.MAX);
        System.out.println("ZoneOffset: "
                           + zoneId);
    }
}
Output:
ZoneOffset: GMT+18:00

Reference: Oracle Doc

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