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⭕ HCL C++ Interview Experience ⭕ 1) Introduce Yourself Brief intro with focus on your technical background, academic projects, and interest in C++. 2) What is the difference between C and C++? C is procedural, C++ supports both procedural and object-oriented paradigms. 3) What are Classes and Objects in C++? Class is a user-defined blueprint; Object is an instance of that class. 4) Explain OOPS Concepts with Real-life Examples Encapsulation, Inheritance, Polymorphism, Abstraction explained with relatable examples like a car, employee hierarchy, etc. 5) What is Function Overloading and Operator Overloading? Same function/operator behaves differently based on parameters. 6) What is the use of Pointers in C++? Used for dynamic memory, arrays, and accessing objects directly. 7) Difference between Compile-time and Run-time Polymorphism? Compile-time: Function Overloading; Run-time: Virtual Functions. 8) Code a Program for Palindrome Number in C++ Simple C++ code using loops and conditions. 9) Basic DSA Questions (Array, String, Sorting) Reverse an array, Find missing number, Bubble Sort, etc. 10) HR Round: Strengths, Weaknesses, Why HCL, etc. Prepare personal answers with examples; show enthusiasm for tech & learning. Attached PDF : Here ❤️

⭕ CGI Interview Questions ⭕ 1) Introduce Yourself 2) What is Full Stack Development? 3) Difference between GET and POST method 4) Explain OOPs Concepts with Examples 5) What is the difference between SQL and NoSQL? 6) Explain SDLC and Agile Model 7) Describe your Final Year Project 8) Write an SQL query to count employees in each department 9) SQL query to find duplicate records in a table 10) Difference between INNER JOIN and LEFT JOIN 11) SQL query to fetch top 3 highest salaries 12) Write a program to check if a number is a palindrome 13) Write a program to check if two strings are anagrams 14) Find the missing number in a sorted array 15) Implement Stack using Array 16) What is Time and Space Complexity? 17) What are your strengths and weaknesses? 18) Why do you want to join CGI? 19) Are you open to working night shifts or relocating? 20) How do you manage deadlines or pressure?

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