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Wunderman Thompson Commerce
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I appeared for an interview before Apr 2021.
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions around Java.
The main difference is that @RestController is a specialized version of @Controller that is used for RESTful web services.
RestController is used for creating RESTful web services, while Controller is used for handling web requests in a traditional MVC application
RestController eliminates the need for annotating each method with @ResponseBody as it is done automatically
RestController returns data directly in the respons...
Your task is to swap two given numbers without utilizing an additional variable and print the swapped values.
The first line contains an integer 't...
Swapping two numbers without using a third variable in Java.
Use bitwise XOR operation to swap the numbers without using a third variable.
a = a XOR b; b = a XOR b; a = a XOR b; will swap the values of a and b.
Ensure to handle edge cases like when a and b are the same number.
Singleton Design Pattern ensures a class has only one instance and provides a global point of access to it.
Ensures a class has only one instance by providing a global access point to it.
Uses a private constructor to restrict instantiation of the class from other classes.
Provides a static method to access the single instance of the class.
Commonly used in scenarios where only one instance of a class is needed, such as da
Round duration - 30 minutes
Round difficulty - Easy
HR round with typical behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.
The @Controller annotation is used to create a controller class for handling HTTP requests, while @RestController is used for RESTful web services.
The @Controller annotation is used for traditional web applications that return HTML views.
The @RestController annotation is used for creating RESTful web services that return JSON or XML data.
The @RestController annotation is a combination of @Controller and @ResponseBody a...
Swapping 2 numbers without using a third variable in Java
Use addition and subtraction to swap the values
Use XOR operator to swap the values
Use multiplication and division to swap the values
I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.
Approach debugging by understanding the code flow, using debugging tools, isolating the issue, and testing solutions.
Start by understanding the code flow and identifying potential areas where the issue may be occurring.
Use debugging tools like breakpoints, logging, and stack traces to pinpoint the source of the problem.
Isolate the issue by reproducing it consistently and narrowing down the scope of the problem.
Test pot...
Refactored a legacy codebase to improve performance by optimizing database queries.
Identified bottlenecks in the codebase by profiling and analyzing performance metrics.
Rewrote complex and inefficient database queries to improve response times.
Implemented caching mechanisms to reduce redundant database calls.
Refactored code to follow best practices and improve maintainability.
Tested the changes thoroughly to ensure the
By prioritizing tasks, using efficient algorithms, and conducting code reviews.
Prioritize tasks based on impact and complexity to focus on critical components first.
Utilize efficient algorithms and data structures to optimize code performance.
Conduct code reviews with team members to identify potential bottlenecks and suggest improvements.
Example: Prioritize implementing a caching mechanism for frequently accessed data
I would approach the situation by respectfully discussing the pros and cons of both solutions and finding a compromise.
Listen to the senior team member or client's perspective and understand their reasoning
Present your preferred solution along with the reasons why you believe it is the best approach
Engage in a constructive discussion to find common ground or a compromise
Consider the impact of each solution on the proje...
I regularly attend tech conferences, read industry blogs, participate in online courses, and collaborate with colleagues to stay updated.
Attend tech conferences to learn about new technologies and trends
Read industry blogs and articles to stay informed
Participate in online courses and tutorials to expand knowledge
Collaborate with colleagues to share insights and learn from each other
I use package managers, regularly update dependencies, and conduct security audits.
Utilize package managers like npm, pip, or Maven to manage dependencies
Regularly update dependencies to ensure compatibility and security patches
Conduct security audits using tools like OWASP Dependency-Check or Snyk
Consider using dependency locking to ensure consistent builds
I implemented a new feature using React Native and had to learn the framework on the job.
Researched online resources and documentation to understand React Native
Experimented with small projects to practice using React Native
Sought help from colleagues or online communities when facing challenges
Identified and addressed a potential bottleneck in a system before it became a problem.
Monitored system performance regularly to identify any potential bottlenecks
Analyzed system logs and metrics to pinpoint the root cause of the bottleneck
Implemented optimizations such as caching, indexing, or code refactoring to address the bottleneck
Collaborated with team members to implement a long-term solution to prevent similar
I prioritize tasks based on deadlines, impact, and dependencies, and use tools like to-do lists and project management software.
Evaluate deadlines and prioritize tasks that are due soon
Consider the impact of each task on the overall project or team goals
Identify dependencies between tasks and prioritize accordingly
Use tools like to-do lists, project management software, or time-blocking techniques to stay organized
Regu
I use consistent naming conventions, inline comments, and thorough documentation to ensure clean and well-documented code.
Follow consistent naming conventions for variables, functions, and classes to make the code easier to understand.
Include inline comments to explain complex logic or algorithms within the code.
Write thorough documentation for each function, class, and module to provide context and usage instructions ...
Approach integrating new feature into existing system without disruption
Analyze the existing system to understand its architecture and dependencies
Identify the impact of the new feature on the current functionality
Implement the new feature in a separate branch or environment for testing
Conduct thorough testing to ensure the new feature works as expected and does not break existing functionality
Gradually integrate the n...
Indexing in MySQL is a technique to improve the performance of database queries by creating a data structure that allows for faster data retrieval.
Indexes are created on one or more columns of a table.
They help in speeding up the search, sorting, and joining of data.
Indexes can be created using different algorithms like B-tree, hash, or bitmap.
Using indexes appropriately can significantly enhance query performance.
Exam...
Object-oriented programming concepts in PHP
Encapsulation: bundling data and methods together in a class
Inheritance: creating new classes based on existing ones
Polymorphism: using a single interface to represent different types
Abstraction: hiding unnecessary details and exposing only essential features
Class: blueprint for creating objects
Object: instance of a class
Method: function defined inside a class
Property: variabl
The program capitalizes the first letter of each reversed word in a sentence.
Split the sentence into an array of words using space as a delimiter.
Reverse each word in the array and capitalize the first letter.
Join the modified words back into a sentence.
I applied via Approached by Company and was interviewed before Jun 2023. There was 1 interview round.
Api related questions
I applied via Referral
Allocate budgets based on campaign goals, target audience, and channels.
Identify campaign goals and objectives
Understand target audience demographics and behaviors
Allocate budget based on channels that reach target audience effectively
Consider cost per acquisition (CPA) and return on investment (ROI)
Monitor and adjust budget allocation based on campaign performance
I applied via Naukri.com and was interviewed in May 2022. There was 1 interview round.
I am a highly motivated and experienced professional with a strong background in the field.
I have a Bachelor's degree in Business Administration
I have over 5 years of experience in sales and marketing
I am skilled in developing and implementing effective strategies
I have a proven track record of exceeding sales targets
I am a team player and have excellent communication skills
The last movie I watched was 'Inception'.
The movie is directed by Christopher Nolan.
It is a science fiction action film.
The plot revolves around a thief who steals corporate secrets through dream-sharing technology.
The film stars Leonardo DiCaprio, Joseph Gordon-Levitt, and Ellen Page.
It received critical acclaim for its unique concept and visual effects.
I applied via Campus Placement and was interviewed in Aug 2023. There was 1 interview round.
A process is an instance of a program while a thread is a subset of a process that can run concurrently with other threads.
Processes have their own memory space while threads share the same memory space within a process.
Processes are independent of each other while threads within the same process can communicate with each other.
Processes are heavier in terms of resource consumption compared to threads.
Example: A web br...
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Associate System Analyst
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System Analyst
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