ZoneOffset getAvailableZoneIds() method in Java with Examples Last Updated : 13 Dec, 2018 Comments Improve Suggest changes Like Article Like Report The getAvailableZoneIds() method of the ZoneOffset class of java.time package is used to get the set of available zone IDs. This set includes all available region-based IDs. The ID can be passed to of(String) to create a ZoneId. The set of zone IDs can increase over time, although in a typical application the set of IDs is fixed. Syntax: public static Set getAvailableZoneIds() Parameters: This method does not accepts any parameter. Return value: This method returns Set which are a modifiable copy of the set of zone IDs. Below examples illustrate the ZoneOffset.getAvailableZoneIds() method: Example 1: Java // Java code to illustrate getAvailableZoneIds() method import java.time.*; import java.util.*; public class GFG { public static void main(String[] args) { // Get the ZoneOffset instance ZoneOffset zoneOffset = ZoneOffset.of("+05:30"); // get available zones // using getAvailableZoneIds() Set<String> zoneIds = zoneOffset.getAvailableZoneIds(); // print first record System.out.println("First ZoneId in list:" + zoneIds.iterator().next()); } } Output: First ZoneId in list:Asia/Aden Example 2: Java // Java code to illustrate getAvailableZoneIds() method import java.time.*; import java.util.*; public class GFG { public static void main(String[] args) { // Get the ZoneOffset instance ZoneOffset zoneOffset = ZoneOffset.of("Z"); // get available zones // using getAvailableZoneIds() Set<String> zoneIds = zoneOffset.getAvailableZoneIds(); // print first record System.out.println("First ZoneId in list:" + zoneIds.iterator().next()); } } Output: First ZoneId in list:Asia/Aden Reference: Oracle Doc Comment More infoAdvertise with us Next Article Must Do Coding Questions for Companies like Amazon, Microsoft, Adobe, ... C code_r Follow Improve Article Tags : Java Java-Functions Java-time package Java-ZoneOffset Practice Tags : Java Similar Reads Interview Preparation Interview Preparation For Software Developers Must Coding Questions - Company-wise Must Do Coding Questions - Topic-wise Company-wise Practice Problems Company Preparation Competitive Programming Software Design-Patterns Company-wise Interview Experience Experienced - Interview Experiences Internship - Interview Experiences Practice @Geeksforgeeks Problem of the Day Topic-wise Practice Difficulty Level - School Difficulty Level - Basic Difficulty Level - Easy Difficulty Level - Medium Difficulty Level - Hard Leaderboard !! Explore More... Data Structures Arrays Linked List Stack Queue Binary Tree Binary Search Tree Heap Hashing Graph Advance Data Structures Matrix String All Data Structures Algorithms Analysis of Algorithms Searching Algorithms Sorting Algorithms Pattern Searching Geometric Algorithms Mathematical Algorithms Randomized Algorithms Greedy Algorithms Dynamic Programming Divide & Conquer Backtracking Branch & Bound All Algorithms Programming Languages C C++ Java Python C# Go Lang SQL PHP Scala Perl Kotlin Web Technologies HTML CSS JavaScript Bootstrap Tailwind CSS AngularJS ReactJS jQuery NodeJS PHP Web Design Web Browser File Formats Computer Science Subjects Operating Systems DBMS Computer Network Computer Organization & Architecture TOC Compiler Design Digital Elec. & Logic Design Software Engineering Engineering Mathematics Data Science & ML Complete Data Science Course Data Science Tutorial Machine Learning Tutorial Deep Learning Tutorial NLP Tutorial Machine Learning Projects Data Analysis Tutorial Tutorial Library Python Tutorial Django Tutorial Pandas Tutorial Kivy Tutorial Tkinter Tutorial OpenCV Tutorial Selenium Tutorial GATE CS GATE CS Notes Gate Corner Previous Year GATE Papers Last Minute Notes (LMNs) Important Topic For GATE CS GATE Course Previous Year Paper: CS exams Like