J#-prepareStatement

//PreparedStatement ps = conn.prepareStatement("select * from books where book_id > ?");//操作类
//ps.setInt(1,bookId);//给问号赋值

Class.forName("con.microsoft.jdbc.sqlserver.SQLServerDriver");
Con = DriverManager.getConnection("microsoft:DatabaseName=pubs","sa","");

Class.forName("con.microsoft.jdbc.sqlserver.SQLServerDriver");
Connection conn = DriverManger("""""");
Statement st = conn.createStaments