diff --git a/.gitignore b/.gitignore
index 7ab7091..427f189 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,4 @@ target/
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+/nbproject/
\ No newline at end of file
diff --git a/src/main/java/br/utfpr/tdd/ex1/Aluno.java b/src/main/java/br/utfpr/tdd/ex1/Aluno.java
index 63588d7..6ea25e5 100644
--- a/src/main/java/br/utfpr/tdd/ex1/Aluno.java
+++ b/src/main/java/br/utfpr/tdd/ex1/Aluno.java
@@ -42,10 +42,15 @@ void setNotaProjeto(double nota) {
     }
 
     double getNF() {
+        double notaAUX;
         if(notaRAA < 0)
             return (notaProjeto + getNAP()) / 2.0;
         
-        return (notaProjeto + getNAP() + notaRAA) / 3.0;
+        else 
+            notaAUX = (notaProjeto + getNAP() + notaRAA) / 3.0;
+            if(notaAUX >= 6.0)
+                return 6.0;
+         return notaAUX;
     }
 
     void setNotaRAA(double nota) {
diff --git a/src/main/java/br/utfpr/tdd/ex1/EscritorCSV.java b/src/main/java/br/utfpr/tdd/ex1/EscritorCSV.java
index 6aec7ca..1f373f2 100644
--- a/src/main/java/br/utfpr/tdd/ex1/EscritorCSV.java
+++ b/src/main/java/br/utfpr/tdd/ex1/EscritorCSV.java
@@ -18,7 +18,7 @@
  */
 class EscritorCSV {
     CSVPrinter csvPrinter;
-    private final static Logger LOGGER = Logger.getLogger(EscritorCSV.class.getName());
+    private static final Logger LOGGER = Logger.getLogger(EscritorCSV.class.getName());
     
     void escrever(String ra, String nome, double notaFinal, String situacao) {
         try {
@@ -41,7 +41,8 @@ void setArquivoSaida(String filePath) {
 
             csvPrinter = new CSVPrinter(writer, CSVFormat.DEFAULT
                 .withHeader("RA", "Nome", "NF", "Situacao"));
-            csvPrinter.flush();            
+            csvPrinter.flush();  
+            writer.close();
         }
         catch(Exception e) {
             LOGGER.log(Level.SEVERE, e.getMessage(), e);