JAVA获取当前日期以及将字符串转成指定格式的日期

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package datetest;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author admin
 */
public class DATETEST {

    public static void main(String[] args) {

        //将Date类型转成String类型,以String作为表名，保证表名唯一

        Date now=new Date();
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
        String tablename=dateFormat.format(now);
        System.out.println(tablename);

        //将String类型转成Date类型
        String  mydate="2014/2/2 17:02:12";
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
        try {
            Date date=sdf.parse(mydate);

        } catch (ParseException ex) {
            Logger.getLogger(DATETEST.class.getName()).log(Level.SEVERE, null, ex);
        }

    }
}