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Wittybrains Software Technologies Interview Questions and Answers
13 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.
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
A program to print prime numbers between 1-100.
Iterate from 1 to 100
For each number, check if it is divisible by any number from 2 to itself-1
If not divisible by any number, it is a prime number
A Java program to calculate the power of a number using recursion.
Create a recursive function that takes two parameters: the number and the power.
If the power is 0, return 1.
If the power is 1, return the number.
Otherwise, recursively call the function with the number multiplied by itself and the power decreased by 1.
Return the result.
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.
To create a thread in Java, you can extend the Thread class or implement the Runnable interface.
Extend the Thread class and override the run() method
Implement the Runnable interface and pass an instance to the Thread constructor
Start the thread using the start() method
Example: Thread thread = new Thread(() -> System.out.println("Hello World")); thread.start();
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.
Overloading is when multiple methods have the same name but different parameters. Overriding is when a subclass provides a different implementation of a method inherited from its superclass.
Overloading is compile-time polymorphism, while overriding is runtime polymorphism.
Overloading allows a class to have multiple methods with the same name but different parameters.
Overriding is used to provide a different implem...
Recursion is a programming concept where a function calls itself to solve a problem by breaking it down into smaller subproblems.
Recursion involves a base case and a recursive case
It is commonly used to solve problems that can be divided into smaller, similar subproblems
Examples include factorial calculation, Fibonacci sequence, and tree traversal
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
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
- Ans.
Overloading is when multiple methods have the same name but different parameters. Overriding is when a subclass provides a different implementation of a method inherited from its superclass.
Overloading is compile-time polymorphism, while overriding is runtime polymorphism.
Overloading allows a class to have multiple methods with the same name but different parameters.
Overriding is used to provide a different implementat...
- Q2. What is recursion
- Ans.
Recursion is a programming concept where a function calls itself to solve a problem by breaking it down into smaller subproblems.
Recursion involves a base case and a recursive case
It is commonly used to solve problems that can be divided into smaller, similar subproblems
Examples include factorial calculation, Fibonacci sequence, and tree traversal
- 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
Top trending discussions
Interview questions from similar companies
(1 Question)
- Q1. Asked about my experience as an integration developer
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