Tech Q Ware Technologies Interview Questions and Answers

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
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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.
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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
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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 ...read more
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General knowledge, programming,

Q1. What is Oops and explain four pillars of Oops
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Q2. How to remove duplicates from an array
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Q3. How to cut a cake in eight equal parts by using just three slices
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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
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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
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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?
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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
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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
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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.
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MCQ TEST BASED ON LOGICAL AND OOPS

Q1. React questions
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Q2. DSA Arrays,strings unique number
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Q1. DSA Questions strings
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