Several ways to create Timestamp in java (how to get real-time system time)

There are several ways to create Timestamp in java. The following are currently summarized 

Java code  

1. Timestamp time1 = new Timestamp(System.currentTimeMillis());  
2.   
3. Timestamp time2 = new Timestamp(new Date().getTime());  
4.   
5. Timestamp time3 = new Timestamp(Calendar.getInstance().getTimeInMillis());  
6.   
7. //Not recommended for use  
8. Timestamp time4 = new Timestamp(2011-1900,11,11,11,11,11,0);  

Original address:

http://vsp.iteye.com/blog/1253774

Original address:

http://vsp.iteye.com/blog/1253774