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a.Diff between a C and C++. Bjarne says in his site under FAQ that "C++ is extension of C" but when I answered this interviewer gave feedback that i thought C++ is superset of C. b. Polymorphism, polymorphism types, how does name mangling work? Program on run-time polymorphism I was not able to remember "name mangling" word at first but suddenly it flashed to me. c. Difference between Array and Vector I mentioned vectors use Dynamic array concept and we can set capacity and resize according to our requirement. d. Implement stack using queues. I provided code and walked through the solution. I even mentioned how we cn implement using single queue. e. Interviewer asked about Design patterns which i had used earlier. when to ise singleton and factory pattern. what is observer pattern.
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Tech Lead

Interviewed at Oracle

3.5★
Sep 2, 2022

a.Diff between a C and C++. Bjarne says in his site under FAQ that "C++ is extension of C" but when I answered this interviewer gave feedback that i thought C++ is superset of C. b. Polymorphism, polymorphism types, how does name mangling work? Program on run-time polymorphism I was not able to remember "name mangling" word at first but suddenly it flashed to me. c. Difference between Array and Vector I mentioned vectors use Dynamic array concept and we can set capacity and resize according to our requirement. d. Implement stack using queues. I provided code and walked through the solution. I even mentioned how we cn implement using single queue. e. Interviewer asked about Design patterns which i had used earlier. when to ise singleton and factory pattern. what is observer pattern.

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