Tech Q Ware Technologies Interview Questions, Process, and Tips

General knowledge, programming,

Q1. What is Oops and explain four pillars of Oops
Ans. 
Oops stands for Object-Oriented Programming. The four pillars of Oops are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class. For example, a 'Car' class can inherit from a 'Vehicle' class.

• Encapsulation refers to the bundling of data and methods that operate on the data into a single unit. For example, using private variables and pub...read more
Answered by AI
Add your answer
Q2. How to remove duplicates from an array
Ans. 
Use a Set to remove duplicates from an array of strings.
• Create a Set from the array to automatically remove duplicates

• Convert the Set back to an array to get unique values
Answered by AI
Add your answer
Q3. How to cut a cake in eight equal parts by using just three slices
Add your answer

Q1. What is json and how to access elements in json
Ans. 
JSON is a lightweight data interchange format commonly used in web development to store and transmit data.
• JSON stands for JavaScript Object Notation

• It uses key-value pairs to store data

• Access elements in JSON using dot notation or bracket notation

• Example: accessing 'name' in JSON object - data.name

• Example: accessing 'age' in JSON array - data[0].age
Answered by AI
Add your answer

Q1. How you react when there is any mistake from your side
Ans. 
I take responsibility, analyze the mistake, learn from it, and take steps to prevent it in the future.
• Acknowledge the mistake and take responsibility for it

• Analyze the root cause of the mistake

• Learn from the mistake and take steps to prevent it in the future

• Communicate with team members or stakeholders about the mistake and the steps taken to rectify it
Answered by AI
Add your answer

There were 20 Q. And 15 must have been correct.

Coding Q. Were given to solve, mostly from array and string.

Q1. Major difference between list and tuple?
Ans. 
List is mutable, tuple is immutable in Python.
• List can be modified after creation, tuple cannot.

• List uses square brackets [], tuple uses parentheses ().

• List is slower than tuple due to mutability.

• Example: list_example = [1, 2, 3], tuple_example = (1, 2, 3)
Answered by AI
Add your answer
Q2. How to define models and connect with specific database?
Ans. 
Models are defined using classes or schemas in programming languages like Python or JavaScript, and connected to a specific database using ORM tools like SQLAlchemy or Mongoose.
• Define models using classes or schemas that represent the structure of data in the database

• Use ORM (Object-Relational Mapping) tools to connect models to the database

• Specify the database connection details in the configuration file of the applic...read more
Answered by AI
Add your answer

Q1. How will you handle multiple projects?
Ans. 
I prioritize tasks, set clear deadlines, communicate effectively, and use project management tools.
• Prioritize tasks based on deadlines and importance

• Set clear deadlines for each project

• Communicate effectively with team members and stakeholders

• Use project management tools like Trello or Jira

• Delegate tasks when necessary to ensure all projects are progressing smoothly
Answered by AI
Add your answer
Q2. What if you make any mistake and we do not know?
Ans. 
Communication is key in software development. If I make a mistake, I will inform the team immediately.
• I will communicate the mistake to my team as soon as I realize it.

• I will work with my team to find a solution and rectify the mistake.

• I will learn from the mistake to prevent it from happening again in the future.
Answered by AI
Add your answer

MCQ TEST BASED ON LOGICAL AND OOPS

Q1. React questions
Add your answer
Q2. DSA Arrays,strings unique number
Add your answer

Q1. DSA Questions strings
Add your answer

Q1. Write custom flatten in ruby
Ans. 
Custom implementation of flatten method in Ruby
• Create a recursive function to iterate through the array elements

• Check if each element is an array or not, if it is an array then call the function recursively

• Concatenate the elements into a single array and return the result
Answered by AI
Add your answer
Q2. What is mixins in ruby
Ans. 
Mixins in Ruby are a way to add functionality to a class without inheritance.
• Mixins are modules that can be included in a class to extend its functionality.

• They allow for code reuse and help avoid duplication.

• Mixins are included using the 'include' keyword in Ruby.
Answered by AI
Add your answer

Q1. Difference between extend prepand include?
Ans. 
extend adds class methods, prepend adds instance methods, include adds module methods
• extend adds methods to a class as class methods

• prepend adds methods to a class as instance methods

• include adds methods to a class as module methods
Answered by AI
Add your answer
Q2. What is class method vs instance methods
Ans. 
Class methods are called on the class itself, while instance methods are called on instances of the class.
• Class methods are defined using 'self' keyword in the method name.

• Instance methods are defined without 'self' keyword in the method name.

• Class methods are used for operations that are not specific to any instance of the class.

• Instance methods are used for operations that are specific to individual instances of the
Answered by AI
Add your answer