StackOverflow2013

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PO
primarykey
Id
20141250
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2013-11-22T09:25:48.197
FavoriteCount
0
LastActivityDate
2013-11-22T09:31:29.757
LastEditDate
2013-11-22T09:31:29.757
LastEditorUserId
980344
OwnerUserId
980344
ParentId
20140849
PostTypeId
2
Score
0
ViewCount
0
LastEditorDisplayName
text
Body
First of all, format your code please! First example <pre><code>class Quadrilateral { public: void greeting() { std::cout << "i am a quadrilateral" << std::endl; } }; class Square : public Quadrilateral { void greeting() { std::cout << "i am a square" << std::endl; } }; class Trapezoid : public Quadrilateral { public: void greeting() { //hides greeting from quadrilateral function std::cout << "Hi I'm a Trapezoid" << std::endl; } }; int main() { Trapezoid tz; tz.greeting(); } </code></pre> In this example is totally normal that Trapezoid.greeting() hides Quadrilateral.greeting(): it's an overriding (same method name, same return, same parameters (none)). Second example <pre><code>class Quadrilateral { public: virtual void greeting() { std::cout << "i am a quadrilateral" << std::endl; } }; class Square : public Quadrilateral { void greeting() { std::cout << "i am a square" << std::endl; } }; class Trapezoid : public Quadrilateral { public: void greeting() { //hides greeting from quadrilateral function std::cout << "Hi I'm a Trapezoid" << std::endl; } }; int main() { Trapezoid tz; tz.greeting(); } </code></pre> The same. You create an objcet of static-type Trapezoid that have dynamic-type Trapezoid. So tz.greeting will print "I'm a trapezoid" because greeting() is an override. Third example <pre><code>class Shape { public: virtual void greeting() { std::cout << "Shape" << std::endl; } }; class Square : public Shape { /* override method greeting() of Shape class */ void greeting() { std::cout << "Square" << std::endl; } }; class Triangle : public Shape { public: /* override method greeting() of Shape class */ void greeting() { std::cout << "Triangle" << std::endl; } }; int main() { Shape* shape = new Triangle(); shape->greeting(); /* prints "Triangle" */ shape = new Square(); shape->greeting(); /* prints "Square" */ } </code></pre>
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Title
singulars
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1. This table or related slice is empty.
PostParentId
1. POI think I'm confusing name hiding with function overriding
 singulars
 PostTypePostTypeId
 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USLuca Davanzo
UserOwnerUserId
1. USLuca Davanzo
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1. This table or related slice is empty.
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1. This table or related slice is empty.
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1. This table or related slice is empty.
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1. This table or related slice is empty.

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