why do i get this error in arraylist? :     [enter image description here][1]
    Connection con =DriverManager.getConnection("jdbc:mysql://localhost:3306/mysql","root","password");
    System.out.println("Connected database successfully...");
    PreparedStatement ps = con.prepareStatement( "select * from web");			
    ResultSet rs = ps.executeQuery();					
    ArrayList<String> v = new ArrayList<>();
    while ( rs.next()) {
    String s = rs.getString(1);	      		                  
    v.add(s);     
    } 
    bx = new JComboBox(v);
    bx.setBounds(150, 20, 200, 20);
    f.add(bx);
    }

while run this code i got an error "**the constructor jcombobox(string) is undefined**"
      [1]: https://i.stack.imgur.com/FbOET.png