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Wittybrains Software Technologies Interview Questions and Answers
20 Interview questions
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.
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. ...
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
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 ...
Static keyword is used to define a class-level variable or method that can be accessed without creating an instance of the class.
Static variables are shared among all instances of a class
Static methods can be called without creating an object of the class
Static keyword can also be used to define a static block of code that gets executed only once when the class is loaded
Example: public static int count = 0; or pub...
Program to reverse a string
Use a loop to iterate through the string and append each character to a new string in reverse order
Alternatively, use built-in string functions like reverse() or slice()
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
Truncate removes all data from a table while drop deletes the table itself.
Truncate is faster than drop as it only removes data and not the table structure
Truncate cannot be rolled back while drop can be
Truncate resets the identity of the table while drop does not
Truncate can only be used on tables while drop can be used on tables, views, and indexes
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
Print prime numbers between 1-100 alternately using Java.
Create a function to check if a number is prime or not.
Use a loop to iterate through numbers 1-100.
Alternate between printing prime and non-prime numbers.
Use a boolean variable to keep track of whether the last printed number was prime or not.
Wittybrains Software Technologies Interview Experiences
9 interviews found
Prakhar Sharma-71
I applied via Job Fair and was interviewed in Dec 2024. There were 3 interview rounds.
Basic level aptitude test
Easy topic is recursion ,time complexity,array
Medium level they need of employee who's know python
Anonymous
(4 Questions)
- Q1. All questions were based on Laravel
- Q2. Fundamental question to check working experience on Laravel.
- Ans.
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. Examp...
- Q3. About middleware
- Q4. Question bases on Job, queue, worker and command etc.
(2 Questions)
- Q1. On which technology do you wish to work?
- Q2. Being laravel developer lot of question based on Laravel
Interview Preparation Tips
(2 Questions)
- Q1. Basic Java Questions on OOPS, JVM, Microservices etc.
- Q2. Write a program to find the duplicate number in an array ranging 1 to 100, the input array contains exactly 100 items.
- Ans.
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.
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Dec 2022. There were 2 interview rounds.
(6 Questions)
- Q1. Write a program to count vowels and consonants in string
- Q2. Write a program to reverse a string
- Q3. Write a program to delete middle node from the linked list
- Ans.
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
- Q4. What is the difference between truncate and drop command
- Q5. What is static keyword
- Q6. Explain oops concept (polymorphism)
- Ans.
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 and r...
Interview Preparation Tips
Keep practice on sql queries
Skills evaluated in this interview
I applied via Job Fair and was interviewed in Aug 2022. There were 2 interview rounds.
(2 Questions)
- Q1. What is oops, what are 4 pillars in oops, what are class and object, what is interface oops, questions. then Data structure and algorithms 1 what is an array, LinkedList, stack, queues, tree, graph, and ...
- Ans.
Interview questions for Software Developer covering OOPs, Data Structures and Algorithms, and DBMS.
OOPs: 4 pillars, class, object, and interface
Data Structures: array, LinkedList, stack, queues, tree, graph, and their operations
Algorithms: Fibonacci series, palindrome, array min max questions
DBMS: general questions
- Q2. 2nd round. oops, DBMS . array rotate by k (leetcode). . print prime numbers up to n numbers .
Interview Preparation Tips
be calm and don't hesitate it was my mistake in the 2nd round that's why I was rejected...
Skills evaluated in this interview
Interview Questionnaire
7 Questions
- Q1. Wap to print prime number between 1-100?
- Q2. Wap to print prime number between 1-100 alternately?
- Q3. Wap to reverse your name? without using builtin function or Loop. (using recursion)
- Q4. Wap where n=2, power=3, output=8 using recursion
- Q5. Overloading vs Overriding
- Ans.
Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in its superclass.
Overloading is compile-time polymorphism while overriding is runtime polymorphism
Overloading is used to provide different ways of calling a method with different parameters
Overriding is used to provide a specific implementation of...
- Q6. Methods in thread
- Ans.
Methods in thread are used to perform tasks concurrently.
Thread.start() method is used to start a new thread.
Thread.sleep() method is used to pause the execution of a thread.
Thread.join() method is used to wait for a thread to finish its execution.
Thread.yield() method is used to give a chance to other threads to execute.
- Q7. How to create thread
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Nov 2020. There were 3 interview rounds.
Interview Questionnaire
5 Questions
- Q1. What is Regression Testing. Functional Testing, Smoke testing?
- Ans.
Regression testing ensures changes don't break existing functionality. Functional testing checks if software meets requirements. Smoke testing checks basic functionality.
Regression testing verifies that changes to the software do not break existing functionality
Functional testing checks if the software meets the specified requirements
Smoke testing checks the basic functionality of the software
Regression testing is usua...
- Q2. Questions related to Automation like How to automate URL and what are different types of locators?
- Q3. Questions related to your project in previous company.
- Q4. Questions related to jira, test metrices, different fields in test plan etc.
- Q5. Questions related to Agile methodology.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Apr 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Few aptitude questions like; Work & Time, Speed, Average, Age related
- Q2. Other round was technical, that consists questions like, Test Case, Test Plan, Priority-Severity (it was for fresher level)
Interview Questionnaire
3 Questions
- Q1. Difference between overloading and overriding
- Q2. What is recursion
- Q3. What is constructor
- Ans.
A constructor is a special method used to initialize objects in a class.
Constructors have the same name as the class they belong to.
They are called automatically when an object is created.
Constructors can have parameters to initialize object properties.
They can be overloaded to have multiple versions with different parameters.
Constructors can also call other constructors using the 'this' keyword.
Interview Preparation Tips
Experience: Aptitude and reasoning
Skills evaluated in this interview
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Interview questions from similar companies
I applied via Company Website and was interviewed before Jun 2020. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Php basic and array functions
- Q2. Mysql basic,views,triggers
Interview Preparation Tips
Wittybrains Software Technologies Interview FAQs
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