TimeZone ID and display name

import java.util.TimeZone;
//  ja  va 2s . c  om
public class Main {

  public static void main(String[] args) {
    TimeZone tz = TimeZone.getTimeZone("America/New_York");

    System.out.println(tz.getID());
  }
}

import java.util.TimeZone;
/*from  j  a  va 2s . c  om*/
public class Main {

  public static void main(String[] args) {
   String[] ids = TimeZone.getAvailableIDs();
   for(String id: ids){
     System.out.println(id);
   }

  }
}

Etc/GMT+12/*from   j  a  v a  2 s .co  m*/
Etc/GMT+11
MIT
Pacific/Apia
Pacific/Midway
Pacific/Niue
...
...
Pacific/Enderbury
Pacific/Tongatapu
Etc/GMT-14
Pacific/Kiritimati

import java.util.TimeZone;
/*from   ja v  a  2s. co m*/
public class Main {

  public static void main(String[] args) {
    TimeZone tz = TimeZone.getTimeZone("America/New_York");

    System.out.println(tz.getDisplayName());
  }
}