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private void jbExtraoActionPerformed(java.awt.event.ActionEvent evt) {

         StringBuffer sb = new StringBuffer();  
        try{
		      FileReader reader = new FileReader("C:\Java\Faculade\faculdade.csv");
		      BufferedReader leitor = new BufferedReader(reader);
		      String linha;
		      do{
		        linha = leitor.readLine();
		       
		        if(linha != null) {
		          sb.append(linha + "\r\n" );
		        }
		      } while(linha != null);
		     
		     // System.out.println(sb);
                      
		     txtExtrato.setText(texto);
		      leitor.close();
		      reader.close();
		     }catch(FileNotFoundException e){
		         e.printStackTrace();
		      } catch (IOException e) {
		         e.printStackTrace();
		      }
        
    }