when i was compile with -Xlint: unchecked then got some warning like this

Compiling 12 source files to C:\Users\Titus\Documents\NetBeansProjects\SITA\build\classes
warning: [unchecked] unchecked call to addItem(E) as a member of the raw type JComboBox

what should i do?

if my code like this then? how to solve warning?

 private void KDM (){
         jComboBox2.addItem("-- pilih menu --");
          try {
            String sql = "select * from iomenu";
            Statement cn = con.createStatement();
            ResultSet rs = cn.executeQuery(sql);
            while (rs.next()) {
                jComboBox2.addItem(rs.getString("KodeMenu"));
            }
        } catch (Exception e) {
        }
     }

titus.k.s
Stop posting the same question twice. Next time you will get an infraction, possibly leading to a complete ban.
Read the DaniWeb rules carefully before you post again
https://www.daniweb.com/community/rules

And yes, as people have already pointed out, there's no point trying to work with GUIs and databases when you seem to have skipped over the basics.

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