Date date = new Date(0);
System.out.println(date);
date.setTime(60000);
System.out.println(date);
date.setTime(3600000);
System.out.println(date);
date.setTime(86400000);
System.out.println(date);
date.setTime(-86400000);
System.out.println(date);
date.setTime(Long.MIN_VALUE);
System.out.println(date);