Ecolab Senior Software Engineer Interview Questions and Answers

Q1. Technical questions mainly involves oops in c++
Add your answer

Q1. Design question and behavioral
Add your answer

Q1. It looks long time for Negotiation
Add your answer

Q1. What is real dom and virtual dom in react
Ans. 
Real DOM is the actual representation of the HTML structure, while Virtual DOM is a lightweight copy used for efficient updates.
• Real DOM is slower as it directly manipulates the HTML structure.

• Virtual DOM is faster as it updates the lightweight copy and then syncs with the real DOM.

• React uses the Virtual DOM to minimize unnecessary re-rendering of components.

• Virtual DOM allows for efficient batch updates, improving per...read more
Answered by AI
Add your answer

There were 6 questions to be solved. 3 average and 3 tough questions.

Q1. Concepts ask in interview Java Threads Exception Collections Spring boot annotations Git
Add your answer

Q1. A general conversations, regarding my experience, project.
Add your answer

Q1. Write unit testing for adding two nimbers
Ans. 
Unit testing for adding two numbers
• Create a test case with two numbers and expected sum

• Call the function that adds two numbers

• Assert that the result matches the expected sum
Answered by AI
Add your answer

Q1. Explain challenge you faced in your last project
Add your answer

Q1. Salary expectations
Add your answer

Q1. Tell me about yourself.
Add your answer
Q2. Share details of your previous job.
Add your answer
Q3. What are your salary expectations?
Add your answer

Q1. Quality site inspection
Add your answer
Q2. Materials Testing & Third party Inspection
Add your answer