package pokemon; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class Database { private Connection conn; static Database instance=null; private Database() { String connString="jdbc:mysql://localhost:3306/pokemon?user=root&password="; try { Class.forName("com.mysql.cj.jdbc.Driver"); conn=DriverManager.getConnection(connString); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } public static Database getInstance() { if(instance==null) instance=new Database(); return instance; } public String getUsername() { return "test123"; } }