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Tidalwave Solutions
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Tidalwave Solutions Interview Questions, Process, and Tips
Tidalwave Solutions Interview Experiences
1 interview found
Anonymous
I applied via LinkedIn and was interviewed in Jun 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Diff between real and virtual dom ?
- Ans.
Real DOM updates the entire tree when a change is made, while Virtual DOM updates only the specific elements that have changed.
Real DOM updates are slower compared to Virtual DOM updates.
Virtual DOM helps in improving performance by reducing the number of updates needed.
Virtual DOM is a lightweight copy of the Real DOM, which is used to minimize direct interaction with the Real DOM.
- Q2. How we can improve browser performnce ?
- Ans.
Improving browser performance can be achieved through various techniques and optimizations.
Optimize images and videos to reduce file sizes
Minify and compress CSS, JavaScript, and HTML files
Utilize browser caching to reduce loading times
Reduce the number of HTTP requests by combining files
Use asynchronous loading for scripts and stylesheets
(2 Questions)
- Q1. Diffing algorithm
- Ans.
A diffing algorithm compares two sets of data to identify the differences between them.
Use algorithms like LCS (Longest Common Subsequence) or Myers diff algorithm for efficient comparison.
Consider factors like time complexity and space complexity when choosing a diffing algorithm.
Implementing a visual diff tool can help users easily see the changes between two versions of a file.
- Q2. Prop drilling, hooks,
(3 Questions)
- Q1. Diff between useMemo and useCallback
- Ans.
useMemo is used to memoize a value, while useCallback is used to memoize a function.
useMemo is used to memoize a value and recompute it only when its dependencies change.
useCallback is used to memoize a function and recompute it only when its dependencies change.
useMemo is useful for optimizing performance by avoiding unnecessary re-renders.
useCallback is useful for optimizing performance by avoiding unnecessary functi...
- Q2. How we can improve backend for performance
- Ans.
Improving backend performance involves optimizing code, database queries, and server configurations.
Optimize database queries by using indexes, avoiding unnecessary joins, and caching results.
Use caching mechanisms like Redis or Memcached to store frequently accessed data.
Implement asynchronous processing for time-consuming tasks to improve response times.
Scale horizontally by adding more servers or using load balancer...
- Q3. Callbacks, generator functions, promises
Skills evaluated in this interview
Software Developer Interview Questions asked at other Companies
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I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.
Interview Preparation Tips
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Java questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
(3 Questions)
- Q1. Explain OOPs w.r.t Java
- Ans.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
- Q2. Explain about the projects that you have worked on
- Q3. Explain how Java solves machine dependency of code execution
- Ans.
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
(2 Questions)
- Q1. Why should we hire you?
- Q2. Tell me about yourself.
Interview Preparation Tips
- Java
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
(1 Question)
- Q1. Print 1 to 100 without for loop
- Ans.
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
(1 Question)
- Q1. General questions as per your cv
Interview Preparation Tips
- Aptitude
I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.
Attended the codevita competition in final year of college.
(3 Questions)
- Q1. About College Project
- Q2. Some very basics of java
- Q3. Experience of college project as a team
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
It was a basic aptitude test.
(1 Question)
- Q1. Interview was fine. Mostly asked about my final year project.
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
(1 Question)
- Q1. Explain the mini projects and main project completed during Engineering.
Interview Preparation Tips
- DBMS
- Software Engineering
- Basic coding
Be confident and have a smiling face in the interview round.
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
- basic programming on C
(1 Question)
- Q1. - question based on your resume
Interview Preparation Tips
whatever project you are including , you should know enough to explain everything.
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