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hi im new java i want create a lgin system but im blocked String query = "SELECT * FROM `multiuser` WHERE username=? and password =? and usertype=?"; con = DriverManager.getConnection("jdbc:mysql://localhost/multiuserlogin", "root", ""); pst = con.prepareStatement(query); pst.setString(1, txtuser.getText()); pst.setString(2, txtpass.getText()); pst.setString(3, String.valueof(jComboBox1.getSelectedItem())); // this line i have error message no method …
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