java.time.ZoneId.getAvailableZoneIds() 方法示例

package com.codingdict;

import java.time.ZoneId;
import java.util.Set;

public class ZoneIdDemo {
   public static void main(String[] args) {

      Set<String> zoneIds = ZoneId.getAvailableZoneIds();
      System.out.println(zoneIds.iterator().next());  
   }
}