Daikin DT Engineer Interview Questions and Answers

Q1. How to design apis
Ans. 
Designing APIs involves defining endpoints, request/response formats, authentication, versioning, and documentation.
• Define clear and consistent endpoints for different functionalities

• Design request and response formats that are easy to understand and work with

• Implement authentication mechanisms to secure the API

• Consider versioning to support backward compatibility

• Provide comprehensive documentation for developers to ea
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Q2. How to structure databases for data collection
Ans. 
Structure databases by identifying data entities, relationships, and attributes.
• Identify data entities (e.g. customers, products) and their attributes

• Define relationships between entities (e.g. one-to-many, many-to-many)

• Normalize data to reduce redundancy and improve data integrity

• Use primary keys to uniquely identify each record

• Consider indexing for faster data retrieval
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Q1. In detail questions related to the exp
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Q2. In detail hr related question
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Q1. What is polymorphism?
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance allows a child class to override a method from its parent class, exhibiting polymorphic b
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Q2. How abstraction is implemented?
Ans. 
Abstraction is implemented in software engineering by hiding unnecessary details and exposing only relevant information.
• Abstraction is achieved through the use of abstract classes and interfaces in object-oriented programming.

• It allows developers to focus on the essential aspects of a concept without getting bogged down in implementation details.

• For example, in a car simulation program, the Car class may have abstract ...read more
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Q3. What is the difference between abstraction and Interface?
Ans. 
Abstraction is hiding the implementation details while Interface is a contract that defines the methods that a class must implement.
• Abstraction focuses on hiding the internal implementation details of a class, allowing the user to only see the necessary details.

• Interface defines a contract that specifies the methods a class must implement, without providing the implementation details.

• Abstraction can be achieved through...read more
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Q1. What is your motivation when you are working on same project alone for long period?
Ans. 
My motivation when working on a project alone for a long period is the satisfaction of seeing my hard work come to fruition.
• Setting small achievable goals to keep myself motivated

• Taking breaks to avoid burnout and maintain productivity

• Seeking feedback from others to stay motivated and improve my work

• Reminding myself of the end goal and the impact my project will have
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Q1. What is your salary expectation?
Ans. 
My salary expectation is based on my experience, skills, and the market rate for Software Engineers in this region.
• Research the average salary range for Software Engineers in the specific region or industry

• Consider your level of experience, skills, and qualifications when determining your salary expectation

• Be prepared to negotiate based on the company's offer and benefits package
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Questions related to Tree and stack

Questions related to Binary search

Q1. Java concepts
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Q2. Graph coding ques
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Q1. Salary discssion
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Python overview and oops concept

Q1. Microcontroller and other architecture
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Q1. Python coding quesions
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Q1. Python and sql questions
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Q1. Client interview
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Q1. General discussion
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Technical or aptitude

Q1. Diploma Mechanical subject related
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Q2. Any questions related to my branch
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Q3. Any multiple questions related to my diploma in mechanical engineering branch
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Q4. HR Related questions
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Q5. Personal family background related questions
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Q1. OOPS concepts with DSA in java
Ans. 
OOPS concepts in Java are principles like Inheritance, Encapsulation, Polymorphism, and Abstraction. DSA involves data structures and algorithms.
• OOPS concepts in Java include Inheritance, where a class inherits properties and behaviors from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent cla...read more
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Q2. Questions related to resume projects and tech stacks used.
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Q1. Questions related to previous experiences in team oriented internships
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Q1. How to increase efficiency of product
Ans. 
Increasing product efficiency can be achieved through optimizing processes, improving technology, and enhancing employee skills.
• Optimize production processes to eliminate waste and improve workflow

• Upgrade technology to automate tasks and improve accuracy

• Provide training and development opportunities for employees to enhance their skills and knowledge
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Q2. What will you change in the product
Ans. 
I would improve the user interface to enhance user experience and streamline navigation.
• Enhance user interface design for better usability

• Streamline navigation to improve user experience

• Implement user feedback to make necessary changes

• Optimize performance for faster loading times
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