java java util timezone to java time zoneid

1package com.javabrahman.java8.time;
2import java.time.ZoneId;
3import java.util.TimeZone;
4public class TimeZoneToZoneId {
5  public static void main(String args[]) {
6 
7    //Converting system's 'default' java.util.TimeZone to java.time.ZoneId
8    ZoneId zoneId = TimeZone.getDefault().toZoneId();
9    System.out.println("ZoneId from default system TimeZone: " + zoneId);
10 
11    //Converting custom defined java.util.TimeZone to java.time.ZoneId
12    TimeZone timeZoneLA = TimeZone.getTimeZone("America/Los_Angeles");
13    ZoneId zoneIdLA = timeZoneLA.toZoneId();
14    System.out.println("ZoneId from custom 'LA' TimeZone: " + zoneIdLA);
15 
16  }
17}
18