From 3ed335c8938b9e3c22f0d151aa66945473485f11 Mon Sep 17 00:00:00 2001
From: rcaa <rodrigo.andrade@ufape.edu.br>
Date: Thu, 1 Dec 2022 12:53:41 -0300
Subject: [PATCH 1/4] adicionando computacao de fibonacci

---
 src/exemplos/Main.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 src/exemplos/Main.java

diff --git a/src/exemplos/Main.java b/src/exemplos/Main.java
new file mode 100644
index 0000000..f1e69d6
--- /dev/null
+++ b/src/exemplos/Main.java
@@ -0,0 +1,18 @@
+package exemplos;
+
+public class Main {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		f(10);
+	}
+
+	public static long f(int n) {
+        int x;
+		if (n < 2) {
+            return n;
+        } else {
+            return f(n - 1) + f(n - 2);
+        }
+    }
+}

From 4ef17c549e64d1b8f026afd3b497f70e8566c26f Mon Sep 17 00:00:00 2001
From: rcaa <rodrigo.andrade@ufape.edu.br>
Date: Thu, 1 Dec 2022 13:14:31 -0300
Subject: [PATCH 2/4] ajeitando o nome da classe do MergeSort

---
 src/algoritmos/MergeSort.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/algoritmos/MergeSort.java b/src/algoritmos/MergeSort.java
index a1ad3c3..7e3ac86 100644
--- a/src/algoritmos/MergeSort.java
+++ b/src/algoritmos/MergeSort.java
@@ -2,7 +2,7 @@
 
 import java.io.IOException;
 
-public class Mergesort {
+public class MergeSort {
 
 	public static void main(String[] args) throws IOException {
 		int quantidade = 10000;

From 286305651f1364d2304016f486b7b5496a5e628e Mon Sep 17 00:00:00 2001
From: rcaa <rodrigo.andrade@ufape.edu.br>
Date: Thu, 1 Dec 2022 13:14:57 -0300
Subject: [PATCH 3/4] adicionando metodo para leitura de arquivo

---
 src/exemplos/Main.java | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/exemplos/Main.java b/src/exemplos/Main.java
index f1e69d6..1b8e78a 100644
--- a/src/exemplos/Main.java
+++ b/src/exemplos/Main.java
@@ -1,10 +1,15 @@
 package exemplos;
 
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
 public class Main {
 
 	public static void main(String[] args) {
 		// TODO Auto-generated method stub
 		f(10);
+		readFile("");
 	}
 
 	public static long f(int n) {
@@ -15,4 +20,24 @@ public static long f(int n) {
             return f(n - 1) + f(n - 2);
         }
     }
+	
+	public static String readFile(String fileName){ 
+	    BufferedReader br; 
+	    try { 
+	        br = new BufferedReader(new FileReader(fileName)); 
+	        final StringBuilder sb = new StringBuilder(); 
+	        String line = br.readLine(); 
+	 
+	        while (line != null) { 
+	            sb.append(line); 
+	            sb.append(System.lineSeparator()); 
+	            line = br.readLine(); 
+	        } 
+	        br.close(); 
+	        return sb.toString(); 
+	    } catch (IOException e) { 
+	        e.printStackTrace(); 
+	    } 
+	    return ""; 
+	}
 }

From 992d024d48fb2f858a4367edb3c137e298f1825f Mon Sep 17 00:00:00 2001
From: rcaa <rodrigo.andrade@ufape.edu.br>
Date: Thu, 1 Dec 2022 13:27:41 -0300
Subject: [PATCH 4/4] adicionando metodo de validacao de string

---
 src/exemplos/Main.java | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/exemplos/Main.java b/src/exemplos/Main.java
index 1b8e78a..cfe6dbc 100644
--- a/src/exemplos/Main.java
+++ b/src/exemplos/Main.java
@@ -10,6 +10,7 @@ public static void main(String[] args) {
 		// TODO Auto-generated method stub
 		f(10);
 		readFile("");
+		validarString("omnilink");
 	}
 
 	public static long f(int n) {
@@ -40,4 +41,12 @@ public static String readFile(String fileName){
 	    } 
 	    return ""; 
 	}
+	
+	public static boolean validarString(String entrada) {
+		if (entrada != null && !entrada.equals("") && entrada.length() > 3) {
+			return true;
+		} else {
+			return false;
+		}
+	}
 }