Johnson Electric Senior Software Engineer Interview Questions and Answers

Q1. What is the implementation of a circular queue using structures in C and classes in C++?
Ans. 
Implementing a circular queue using structures in C and classes in C++ for efficient data management.
• A circular queue uses a fixed-size array and wraps around when the end is reached.

• In C, define a structure with front, rear, and size attributes.

• In C++, use a class to encapsulate queue operations and maintain data integrity.

• Both implementations should include functions for enqueue, dequeue, and checking if the queue is...read more
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Q2. Sort a vector of strings alphabetically
Ans. 
Sort a vector of strings alphabetically using standard sorting algorithms.
• Use built-in sorting functions like std::sort in C++ or Collections.sort in Java.

• Example in Python: sorted(['banana', 'apple', 'cherry']) returns ['apple', 'banana', 'cherry'].

• Consider case sensitivity; 'Apple' and 'apple' may be treated differently.

• For custom sorting, provide a key function to define sorting criteria.
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