Pega data e hora de um campo TimeStamp

1. Timestamp time = new Timestamp();  
2. SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");  
3. String formatedDate = format.format(time.getTime()); 
4. jOptionDialog.showMessage(null,formateDate);//mostra mensagem com a data formatada

Timestamp time = new Timestamp();  

SimpleDateFormat format = new SimpleDateFormat("hh:mm:ss");  

String formatedDate = format.format(time.getTime()); 

jOptionDialog.showMessage(null,formateDate);//mostra mensagem com a hora formatada