Update CST116-Ch9-Debugging.cpp

1 files changed, 27 insertions, 26 deletions

diff --git a/CST116-Ch9-Debugging/CST116-Ch9-Debugging.cpp b/CST116-Ch9-Debugging/CST116-Ch9-Debugging.cpp
index eff8980..6e7e0db 100644
--- a/CST116-Ch9-Debugging/CST116-Ch9-Debugging.cpp
+++ b/CST116-Ch9-Debugging/CST116-Ch9-Debugging.cpp
@@ -15,12 +15,12 @@
 * 6) Step Into the code for the function GetAge.

 * 7) The execution continues to the function header for GetAge.

 * 8) Step into one more time.

-* 9) Why did the address of age and value change?

+* 9) Why did the address of age and value change? // (Because the variable is reset to 0 within the functions)

 * 10) Step over the cout and cin statements.

 * 11) Verify the value entered is stored properly in age.

 * 12) Step into until the flow returns to main.

 * 13) Step over one more time.

-* 14) Why didn't the value entered get transferred back to main?

+* 14) Why didn't the value entered get transferred back to main? // (Because the main function is at the top of the code, meaning the other functions to calculate the age wont be recognized when stepped into).

 * 15) Stop debugging and fix the error.

 * 16) Run to Breakpoint 1.

 * 17) Step over the function call to GetAge.

@@ -35,7 +35,7 @@
 * 3) Step into CalcDays.

 * 4) Step into one more time so that the current line is the

 *    calculation.

-* 5) Why is age greyed out in your watch window?

+* 5) Why is age greyed out in your watch window? // (Because it has multiple inputs when set 0, set 0 again within the function, then changed by a user input)

 * 6) Stop debugging.

 *

 * Debugging Exercise 3

@@ -45,7 +45,7 @@
 * 3) Verify that the variable age is 20 and the variable days

 *    is 7300.

 * 4) Step into the PrintResults function.

-* 5) Age is 7300? Not even Ralph is that old.

+* 5) Age is 7300? Not even Ralph is that old. // (Because the age is mulitplied by 365, has the wrong variable name and address)

 * 6) Why did the values for both variables change?

 * 7) Stop debugging and fix the error.

 *

@@ -66,45 +66,46 @@ using std::endl;
 

 const int DAYS_PER_YEAR = 365;

 

-int GetAge();

-int CalcDays(int age);

-void PrintResults(int age, int days);

 

-int main()

-{

-    int age = 0;

-    int days = 0;

 

-    // Breakpoint 1

-    // Put breakpoint on the following line 

-    GetAge();

-    days = CalcDays(age);

+int age;

+int days;

 

-    // Breakpoint 2

-    // Put breakpoint on the following line

-    PrintResults(age, days);

 

-    return 0;

-}

 int GetAge()

 {

-    int age;

 

     cout << "Please enter your age: ";

     cin >> age;

 

-    return age;

+    return 0;

 }

-int CalcDays(int years)

+int CalcDays()

 {

-    int days;

 

-    days = years * DAYS_PER_YEAR;

+    days = (age * DAYS_PER_YEAR);

 

     return days;

 }

-void PrintResults(int days, int age)

+void PrintResults()

 {

     cout << age << "! Boy are you old!\n";

     cout << "Did you know that you are at least " << days << " days old?\n\n";

 }

+

+

+int main()

+{

+

+

+    // Breakpoint 1

+    // Put breakpoint on the following line 

+    GetAge();

+    CalcDays();

+

+    // Breakpoint 2

+    // Put breakpoint on the following line

+    PrintResults();

+

+    return 0;

+}