import java.util.Date; public class Demo2 { public static void main(String[] args) { long result; Date myDate = new Date(0); result = myDate.getTime(); System.out.println( result ); // 0 myDate = new Date(1000); result = myDate.getTime(); System.out.println( result ); // 1000 myDate = new Date(); result = myDate.getTime(); System.out.println( result ); // # msec since Jan 1, 1970 } }