Posts by Dericky • 1 point

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  A: Nullpointerexception error, where is the error?

  Connection con = null; stl = con.prepareStatement(sql); // con = null case IniciarBD() is initiating the variable con, then: rs = stl.executeQuery(); jComboBox1.addItem(rs.getString("NOME")); If…

  java swing jdbc nullpointerexception

  answered 8 years, 3 months ago Dericky 1