Wipro interview questions and answers

127 Articles

127

What is Cassandra database software ?

July 13, 2021

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July 13, 2021

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Answer : Apache Cassandra is a simple and open-source provides NoSQL DBMS build to handle huge volume of data against more fabric servers

cassandra

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Print pyramid triangle in C++

July 13, 2021

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July 13, 2021

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Answer : To print pyramid triangle in C++, we have use two for loop…

C++

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C++ Inheritance

July 13, 2021

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July 13, 2021

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Answer : Inheritance is one of the key features of Object-oriented programming…

C++

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Dangling Pointer ?

July 12, 2021

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July 12, 2021

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Answer : A dangling pointer is pointing to a memory location…

C++

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Finding all substrings of a given number that are divisible by 11

July 12, 2021

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July 12, 2021

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Answer : Query(l, r) : find if the sub-string between the indices l and r….

C++

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What is the best way to sort an array of 0s and 1s ?

July 12, 2021

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July 12, 2021

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Answer : Sort an array elements means arrange…

C++

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Find Largest number from set of given numbers ?

July 12, 2021

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July 12, 2021

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Answer : Find number of digits in the largest number. Let us assume number of digits be n…

C++

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The operator when overloaded in a class ?

July 12, 2021

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July 12, 2021

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Answer : B. Ad-hoc polymorphism

C++

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Syntax for Pure Virtual Function is ?

July 12, 2021

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July 12, 2021

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Answer : D. void virtual show()=0

C++

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Find the wrong statement about Abstract Class ?

July 12, 2021

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July 12, 2021

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Answer : B. We can’t create pointers to an abstract class

C++

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C++ supports run time polymorphism with the help of virtual functions, which is called ______ binding

July 12, 2021

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July 12, 2021

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Answer : A. Dynamic

C++

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A virtual function that has no definition within the base class is called ?

July 12, 2021

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July 12, 2021

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Answer : A. Pure virtual function

C++

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Which of the following statements about virtual base classes is correct ?

July 12, 2021

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July 12, 2021

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Answer : B. It is used to avoid multiple copies of base class in derived class.

C++

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Which of the following concepts means wrapping up of data and functions together ?

July 12, 2021

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July 12, 2021

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Answer : B. Encapsulation

C++

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Which of the following can access private data members or member functions of a class ?

July 12, 2021

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July 12, 2021

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Answer : C. Any member function of that class.

C++

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Which of the following access specifiers is used in a class definition by default ?

July 12, 2021

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July 12, 2021

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Answer : C. Private

C++

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What is pure virtual function in C++ ?

July 12, 2021

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July 12, 2021

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Answer : A virtual function will become pure virtual function…

C++

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State whether the following statements about inheritance are True or False.

July 12, 2021

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July 12, 2021

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Answer : C. True, True

C++

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In c++ how are protected members of a base class accessed in derived class when inherited privately ?

July 12, 2021

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July 12, 2021

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Answer : A. Privately

C++

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Encapsulation is ?

July 12, 2021

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July 12, 2021

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Answer : C. Reduce Complexity

C++

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Wipro interview questions and answers

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