Conversions between Date, String, calendar types

1.Calendar Conversion String

Calendar calendat =new SimpleDateFormat ("yyyy-mm-dd"= Sdf.format (  Calendar.gettime ());

2.String Conversion Calendar

String str= "2010-5-27"; SimpleDateFormat SDFnew SimpleDateFormat ("yyyy-mm-dd"== calendar.getinstance (); Calendar.settime (date);

3.Date Conversion String

New SimpleDateFormat ("Yyyy-mm-dd"); String datestr=sdf.format (new Date ());

4.String Conversion Date

String str= "2010-5-27"; SimpleDateFormat SDFnew SimpleDateFormat ("yyyy-mm-dd"= Sdf.parse (str);

5.Date Conversion Calendar

Calendar calendar = calendar.getinstance (); Calendar.settime (new java.util.Date ());

6.Calendar Conversion Date

Calendar calendar ==calendar.gettime ();

Here's an example of inserting data with a Oralce table type of date

New SimpleDateFormat ("YyyyMMdd hhmmss"= Sdf.format (new----------------------------------- ------= "Insert into Sm_send (*****************)" +         "values (*******************************           " ', 1, " + "To_date ('" +date+ "', ' yyyy-mm-dd HH24:MI:SS ')" +           "," + "to_date ('" +date+ "', ' yyyy-mm-dd HH24:MI:SS ')" +            ", 0,n Ull,null,null,null,null,null,null) ";

Conversions between Date, String, calendar types