Get UTC time, local time and time zone through java

TimeDemo.java

/**
 * Filename: TimeDemo.java
 * For Java8:
    javac TimeDemo.java
    java TimeDemo
 * For Java11+:
    java TimeDemo.java
**/

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

public class TimeDemo {

    public static void main(String[] args) {

        Date now = new Date();

        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");

        formatter.setTimeZone(TimeZone.getTimeZone("UTC"));
        System.out.println("UTC Time: " + formatter.format(now));

        formatter.setTimeZone(TimeZone.getDefault());
        System.out.println("Local Time: " + formatter.format(now));

        System.out.println("Time Zone: " + TimeZone.getDefault().getID());
    }
}