//DADOS DE LOGIN - BD
		private String url = "jdbc:mysql://localhost:3306/school_life?useSSL=false",
				   usuario = "root",
				   senha = "root";
		private Connection conexao;
		private Statement stm;
		private ResultSet rs;

public void carregaDados(String comando) {
			try {
				Class.forName("com.mysql.jdbc.Driver");
				conexao = DriverManager.getConnection(url, usuario, senha);
				stm=conexao.createStatement();
				this.rs = stm.executeQuery(comando);
			}

			catch(Exception e) {
				e.printStackTrace();
			}