What is the syntax of inheritance of class?
What does inheriatance allows you to do?
What is the output of this program?
1.
#include
2.
using namespace std;
3.
class BaseClass
4.
{
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public:
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virtual void myFunction()
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{
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cout << "1";
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}
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};
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class DerivedClass1 : public BaseClass
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{
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public:
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void myFunction()
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{
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cout << "2";
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}
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};
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class DerivedClass2 : public DerivedClass1
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{
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public:
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void myFunction()
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{
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cout << "3";
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}
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};
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int main()
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{
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BaseClass *p;
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BaseClass ob;
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DerivedClass1 derivedObject1;
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DerivedClass2 derivedObject2;
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p = &ob;
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p -> myFunction();
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p = &derivedObject1;
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p -> myFunction();
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p = &derivedObject2;
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p -> myFunction();
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return 0;
40.
}
What is the output of this program?
1.
#include
2.
using namespace std;
3.
class BaseClass
4.
{
5.
int x;
6.
public:
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void setx(int n)
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{
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x = n;
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}
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void showx()
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{
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cout << x ;
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}
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};
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class DerivedClass : private BaseClass
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{
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int y;
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public:
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void setxy(int n, int m)
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{
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setx(n);
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y = m;
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}
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void showxy()
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{
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showx();
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cout << y << '\n';
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}
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};
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int main()
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{
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DerivedClass ob;
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ob.setxy(10, 20);
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ob.showxy();
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return 0;
37.
}
Pick out the correct statement about multiple inheritance.