added two programs that utilze vectors.

Chapter-7-Arrays/7.12 If You Plan to Continue in Computer Science: Introduction to the STL vector/7-24.cpp

@@ -6,7 +6,7 @@
 // Last Updated: November 11th, 2016
 //**************************************************************
 #include <iostream>
-#include <vector>   // Needed to defice vectors
+#include <vector>   // Needed to define vectors
 #include <iomanip>
 using namespace std;
 

Chapter-7-Arrays/7.12 If You Plan to Continue in Computer Science: Introduction to the STL vector/7-25.cpp

@@ -0,0 +1,23 @@
+//*****************************************************************
+// This program demonsrates the range-based for loop with a vector.
+//
+// By: Jesus Hilario Hernandez
+// Last Updated: November 12, 2016;
+//*****************************************************************
+#include <iostream>
+#include <vector>
+using namespace std;
+
+int main()
+{
+    // Define and initialize a vector.
+    vector<int> numbers {10, 20, 30, 40, 50 };
+
+    // Display the vector elements.
+    for (int val : numbers)
+    {
+        cout << val << endl;
+    }
+
+    return 0;
+}

Chapter-7-Arrays/7.12 If You Plan to Continue in Computer Science: Introduction to the STL vector/7-25.sh

@@ -0,0 +1,8 @@
+Jesuss-iMac:7.12 If You Plan to Continue in Computer Science: Introduction to the STL vector hernandezfamily$ g++ -std=c++11 7-25.cpp
+Jesuss-iMac:7.12 If You Plan to Continue in Computer Science: Introduction to the STL vector hernandezfamily$ ./a.out
+10
+20
+30
+40
+50
+Jesuss-iMac:7.12 If You Plan to Continue in Computer Science: Introduction to the STL vector hernandezfamily$