Object-oriented programming (OOPS)uses objects in the programming languages. Object is a real world thing or entity. An object consists of State, Behavior and Identity.
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Property
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Details
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Example
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Identity
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It is the name of an object and enables one object to interact with other
objects.
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Name of dog
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State
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It is represented by attributes of an object. It also reflects the properties of an object.
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Breed, Age and color
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Behavior
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It is represented by methods of an object. It also reflects the response
of an object with other objects.
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Bark, sleep and eat
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Class
It is a collection attributes / Instance Variables and methods.
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Output |
//Program used to print a text.
#include
using namespace std;
class a
{
public: string vn;
void fn()
{ cout << " vn is: " << vn; } };
int main()
{
a obj1;
obj1.vn = "Wisdom";
obj1.fn();
return 0;
}
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Wisdom
Explanation: Class Name= a, Object Name= obj1;
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