Wittybrains Software Technologies Software Engineer Interview Questions and Answers

Program to find duplicate number in array of 1 to 100 items.

• Iterate through array and use a set to keep track of seen numbers.

• If a number is already in set, it is a duplicate.

• Return the duplicate number found.

I wish to work on developing applications using artificial intelligence and machine learning technologies.

• Passionate about developing intelligent systems that can learn and adapt

• Interested in working on projects involving natural language processing, computer vision, and predictive analytics

• Experience with tools and frameworks like TensorFlow, PyTorch, and scikit-learn

Laravel is a PHP framework that simplifies web application development with elegant syntax and powerful features.

• MVC Architecture: Laravel follows the Model-View-Controller pattern, separating logic and presentation.

• Eloquent ORM: Provides an easy way to interact with the database using an object-oriented approach. Example: $user = User::find(1);

• Routing: Laravel offers a simple and expressive way to define routes. ...read more

Polymorphism is the ability of an object to take on many forms.

• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• It can be achieved through method overloading or method overriding.

• Example: A shape class can have different subclasses like circle, square, and triangle. Each subclass can have its own implementation of the draw method.

• Polymorphism makes code more flexible ...read more

A program to count the number of vowels and consonants in a given string.

• Iterate through each character in the string

• Check if the character is a vowel or consonant

• Increment the respective count

• Return the counts of vowels and consonants

Program to delete middle node from linked list

• Traverse the list to find the middle node

• Delete the middle node by updating pointers

• Handle edge cases like even number of nodes