SKIDOS Labs ApS Test Engineer Interview Questions and Answers for Freshers

3 coding questions any programming language

Q1. Technical Interview based on your programming skills
Add your answer
Q2. 1.Find the possible permutation of the given string 2. Remove 3 from the given input (Number) and input should be taken from the user 3. Check whether the given string is Anagram without using map DATA s...read more
Ans. 
Answering questions related to string permutations, removing numbers, and checking for anagrams without using map data structure.
• To find permutations of a string, use recursion to swap characters at each position.

• To remove a specific character (e.g. '3') from a string, iterate through the string and build a new string without the character.

• To check for anagrams without using a map data structure, sort both strings and ...read more
Answered by AI
Add your answer

Q1. Introduce yourself and are you willing to relocate And salary discussion. That's it
Add your answer

Q1. About basic info tech
Add your answer
Q2. Database,sql,oracle
Add your answer

Both Aptitude and coding

Q1. Basic Java questions
Add your answer

Q1. Salary discussion only
Add your answer

Q1. What is event loop in JS?
Ans. 
The event loop in JavaScript manages asynchronous operations, allowing non-blocking execution of code.
• JavaScript is single-threaded, meaning it can only execute one task at a time.

• The event loop continuously checks the call stack and the message queue.

• When the call stack is empty, the event loop pushes the first message from the queue to the stack for execution.

• Example: setTimeout(() => console.log('Hello'), 1000) a...read more
Answered by AI
Add your answer
Q2. What is virtual DOM in react
Ans. 
The virtual DOM is a lightweight representation of the actual DOM used by React to optimize rendering and improve performance.
• The virtual DOM is a JavaScript object that mirrors the structure of the real DOM.

• React uses the virtual DOM to determine what changes need to be made to the actual DOM.

• When a component's state changes, React updates the virtual DOM first, then compares it with the real DOM (a process called rec...read more
Answered by AI
Add your answer

Sql, numpy, pandas, dictionary, pandas group by, merging

Q1. Normal questions
Add your answer