Demo Read from File, Put data to ArrayList and Put into DB

package texttoarraylistthentodb;
import java.sql.Connection;
import java.sql.DriverManager;
import static java.sql.DriverManager.getConnection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.text.*;
import java.util.*;
import java.io.*;
import java.text.SimpleDateFormat;
import java.util.concurrent.TimeUnit;
public class TextToArrayListThenToDB {
    private static String DB_URL = "jdbc:sqlserver://192.168.101.23:1433;" + "databaseName=T2AL2DB;"+ "integratedSecurity=false;" + "encrypt=false;" + "trustServerCertificate=true;";
    private static String USER_NAME = "sa";
    private static String PASSWORD = "Su$sybaka";
    static class SV{
        private String Ma;
        private String Ten;
        private String Lop;
        private double D1;
        private double D2;
        private double D3;
        public SV(String Ma, String Ten, String Lop, double D1, double D2, double D3){
            this.Ma = Ma;
            this.Ten = Ten;
            this.Lop = Lop;
            this.D1 = D1;
            this.D2 = D2;
            this.D3 = D3;
        }
        public String getMa(){
            return Ma;
        }
        @Override
        public String toString(){
            return String.format("%s %s %s %.1f %.1f %.1f", Ma, Ten, Lop, D1, D2, D3);
        }
    }

    public static void main(String[] args) throws FileNotFoundException {
        Scanner cin = new Scanner(new File("E:\\OOP\\TextToArrayListThenToDB\\src\\texttoarraylistthentodb\\input.txt"));
        int t = cin.nextInt();
        cin.nextLine();
        List<SV> dssv = new ArrayList<>();
        while(t-->0){
            String Ma = cin.nextLine();
            String Ten = cin.nextLine();
            String Lop = cin.nextLine();
            double D1 = Double.parseDouble(cin.nextLine());
            double D2 = Double.parseDouble(cin.nextLine());
            double D3 = Double.parseDouble(cin.nextLine());
            SV sv = new SV(Ma,Ten,Lop,D1,D2,D3);
            dssv.add(sv);
        }
        dssv.sort(Comparator.comparing(SV::getMa));
        int stt = 1;
        for(SV i : dssv){
            try{
                Connection ketnoi = getConnection(DB_URL, USER_NAME, PASSWORD);
                Statement stmt = ketnoi.createStatement();
                String cmd = "INSERT INTO BangDiem VALUES ('" + stt + "','" + i.Ma + "','" + i.Ten + "','" + i.Lop + "'," + i.D1 + "," + i.D2 + "," + i.D3 + ");";
                stmt.executeQuery(cmd);
                stt++;
            }catch (Exception ex){
                ex.printStackTrace();
            }
        }
    }
}

/*
Create TABLE Command
CREATE TABLE BangDiem(
   stt int,
   ma VARCHAR(15) PRIMARY KEY,
   ten VARCHAR(50),
   lop VARCHAR(15),
   d1 float,
   d2 float,
   d3 float
);
*/

/*
input.txt
3
B20DCCN999
Nguyen Van An
D20CQCN04-B
10.0
9.0
8.0
B20DCAT001
Le Van Nam
D20CQAT02-B
6.0
6.0
4.0
B20DCCN111
Tran Hoa Binh
D20CQCN04-B
9.0
5.0
6.0
*/