ZoneOffset ofOffset() method in Java with Examples

Last Updated : 2 Feb, 2022

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: 
 

public 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 
// 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 
// 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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