Java App和Sql Server EXPR 2008 R2之间的连接未建立

Question

我是SQL Server的新手，我正在尝试将我的Java应用程序连接到SQL Server，实际上我从Microsoft Offical website获取了MSSQL驱动程序的JDBC jar文件 然后在我的Screenshot Here*中显示SQL Server驱动程序导入得很好，但我面临的问题是我得到了这个例外，而我非常确定我已经完成了所需的步骤。

错误输出：

run:
Exception in thread "main" java.sql.SQLException: No suitable driver found for jdbc:TOSHIBA-PC;database=xxx;user=sa@TOSHIBA-PC;password=shiner151092;encrypt=true;trustServerCertificate=false;loginTimeout=30;
    at java.sql.DriverManager.getConnection(DriverManager.java:689)
    at java.sql.DriverManager.getConnection(DriverManager.java:270)
    at connect.main(connect.java:18)
C:\Users\toshiba\AppData\Local\NetBeans\Cache\8.2\executor-snippets\run.xml:53: Java returned: 1
BUILD FAILED (total time: 0 seconds)

  

问题在哪里，我该如何解决？

     

类连接代码：

import java.math.BigDecimal;
import java.sql.*;
import java.time.LocalDate;

public class connect {

    public static void main(String[] args) throws SQLException {
        String connectionString =
            "jdbc:sqlserver://TOSHIBA-PC;"
            + "database=xxx;"
            + "user=sa@TOSHIBA-PC;"
            + "password=shiner151092;"
            + "encrypt=true;"
            + "trustServerCertificate=false;"
            + "loginTimeout=30;";

        try (Connection connection = DriverManager.getConnection(connectionString)) {


            String selectSql = "SELECT * from Table_111";
            try (Statement statement = connection.createStatement();
                ResultSet resultSet = statement.executeQuery(selectSql)) {

                            if(resultSet != null){
                                System.out.println("connection goes right !!!");
                            }
            }
        }
    }
}