I want to save the result of a whole Mysql table in an array
String sDriver = "com.mysql.jdbc.Driver"; String sURL = "jdbc:mysql://www.odorxd.xyz:3306/u218933149_odor_base"; try { Class.forName(sDriver).newInstance(); Connection con = DriverManager.getConnection(sURL, "u218933149_estenoesodor", "Tsunayoshi27?"); PreparedStatement stmt = null; ResultSet rs = null; stmt = con.prepareStatement("SELECT * FROM justname"); rs = stmt.executeQuery(); while (rs.next()) { for (int x = 1; x <= rs.getMetaData().getColumnCount(); x++) { System.out.print(rs.getString(x) + "t"); } System.out.println(""); } } catch (SQLException sqle) { sqle.printStackTrace(); } catch (Exception e) { e.printStackTrace(); }
it returns this to me from the database
run: brandon Brandon Julio
Daniel
BUILD SUCCESSFUL (total time: 1 second)
I want to save what is in the database in an array to be able to implement it with a sort and search method
String str[] = { "Ajeet", "Steve", "Rick", "Becky", "Mohan", "Brandon", "Brandon Jesus", "Brandon Flores", "Brandon Flores Flores"}; String temp; System.out.println("Strings in sorted order:"); for (int j = 0; j < str.length; j++) { for (int i = j + 1; i < str.length; i++) { // comparing adjacent strings if (str[i].compareTo(str[j]) < 0) { temp = str[j]; str[j] = str[i]; str[i] = temp; } } System.out.println(str[j]); }
that’s why I need to save it in an array
I would appreciate any criticism or help as you do not have an idea, thank you
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Answer
You can use a List
.
List<String> list = new ArrayList<>(); while (rs.next()) { for (int x = 1; x <= rs.getMetaData().getColumnCount(); x++) { String str = rs.getString(x) list.add(str); System.out.print(str + "t"); } System.out.println(); } String[] arr = list.toArray(new String[0]); String temp; // ... sort