Java 判斷時間大小

import java.text.SimpleDateFormat;
import java.util.Date;

public static void main(String []args) {
	SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
     
	Date date=new Date();
    try {
        Date a = sdf.parse("2020-02-13 12:27:17");
 
        if (a.after(date)) {
            System.out.println("111");
        }
        if (a.before(date)) {
            System.out.println("222");
        }
    } catch (Exception e) {
    }
}