HERE Technologies Interview Questions, Process, and Tips

Q1. Explain current work
Ans. 
Currently working on developing a new web application for a client in the e-commerce industry.
• Developing front-end using React.js

• Implementing back-end functionalities with Node.js and Express

• Integrating payment gateway for online transactions

• Collaborating with UI/UX designers for a user-friendly interface
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Q2. Pub sub design pattern
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Q1. Tell output of code
Ans. 
The code will output 'Hello World!'
• The code is a simple print statement

• It will output the string 'Hello World!'
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Q2. Detect Linked list cycle
Ans. 
Detect cycle in a linked list using Floyd's Tortoise and Hare algorithm
• Use two pointers, slow and fast, to traverse the linked list

• If there is a cycle, the fast pointer will eventually meet the slow pointer

• Time complexity is O(n) and space complexity is O(1)
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Q1. Producer consumer implementation
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Q1. Design travel app database
Ans. 
Design a database for a travel app to store user information, bookings, reviews, and destinations.
• Create tables for users, bookings, reviews, and destinations

• Include columns for user details, booking information, review ratings, and destination details

• Establish relationships between tables using foreign keys

• Consider indexing commonly queried fields for faster retrieval

• Implement data validation to ensure data integrity
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Q1. Puzzle on plastic and metal ball and water
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Q1. What are your expectations
Ans. 
I expect challenging projects, opportunities for growth, a collaborative team environment, and a competitive salary.
• Challenging projects that allow me to utilize my skills and learn new technologies

• Opportunities for professional growth and advancement within the company

• A collaborative team environment where ideas are shared and valued

• Competitive salary and benefits package
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Set of questions regarding gis and other it related

One topic is given within 8 members to discuss

Q1. What are you salary expectation
Ans. 
My salary expectation is negotiable based on the responsibilities and requirements of the position.
• I am open to discussing salary based on the job responsibilities and requirements.

• I have researched the average salary range for Spatial Data Specialists in this region.

• I am looking for a competitive salary that reflects my skills and experience.

• I am also considering other benefits and opportunities for growth within the
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Q2. Are you okay to relocate
Ans. 
Yes, I am open to relocating for the right opportunity.
• I am open to relocating for the right job opportunity

• I am willing to consider moving for the right position

• I am flexible and open to relocating for the right role
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Q1. Easy and simple
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Q2. Aptitude resigning
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Q3. Introduction tell me about ur self
Ans. 
I am a data specialist with 5 years of experience in analyzing and interpreting complex data sets to drive business decisions.
• Experienced in data cleaning, transformation, and visualization using tools like SQL, Python, and Tableau

• Strong analytical skills with a proven track record of identifying trends and patterns in data

• Excellent communication skills to effectively present findings and recommendations to stakeholder...read more
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Q4. Academic projects
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Q1. Java 8 features? What is functional interface? Difference between Runnable and Callable? Write java8 syntax in notepad? Mainly interviewer was focusing that how much syntax I know, which is not at all good...read more
Ans. 
Java 8 introduced new features like lambda expressions, functional interfaces, and streams. Functional interfaces have a single abstract method. Runnable is a functional interface for running a task in a separate thread, while Callable is a functional interface that can return a result and throw checked exceptions.
• Java 8 introduced lambda expressions for writing concise code.

• Functional interfaces have a single abstract...read more
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Q2. Java 8 features
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Q3. Streams syntax is required
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Q4. Runnable and Callable
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Q5. Way of Mutable object creation
Ans. 
Mutable objects in Python can be created using various methods such as assignment, copy, or using built-in functions like dict() or list().
• Assignment operator can be used to create mutable objects, for example: x = [1, 2, 3]

• Copying an existing mutable object using the copy() method or slicing can create a new mutable object

• Using built-in functions like dict() or list() to create mutable objects
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