TechnologyProfessionTest
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TechnologyProfessionTest
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3733
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20
41 questions
Hard
4 votes210 runs0 comment
Medium
2 votes326 runs1 comment
Medium
2 votes314 runs1 comment
Easy
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Medium
1 vote319 runs0 comment
Medium
1 vote297 runs0 comment
Medium
1 vote294 runs0 comment
Medium
1 vote53 runs0 comment
Hard
1 vote30 runs0 comment
What does the following code display ? class A { public: virtual void hello() {cout << "A" << endl;} }; class B : public A { public: void hello() {cout << "B" << endl;} }; void meet_value(A a1, A a2) { a1.hello(); a2.hello(); } void meet_reference(A& a1, A& a2) { a1.hello(); a2.hello(); } int main() { B b; A a; meet_value(a, b); meet_reference(a, b); return 0; } Answer : "AAAB".
Samuelat Mar 28, 2022
Medium
1 vote27 runs0 comment
Easy
0 vote356 runs0 comment
Medium
0 vote317 runs1 comment
Hard
0 vote313 runs1 comment
Expert
0 vote307 runs0 comment
Which instructions are forbidden in this example ?
Samuelat Mar 28, 2022