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Multiple inheritance does not exist in Java due to the Diamond Problem.
Java does not support multiple inheritance for classes to avoid the Diamond Problem.
However, multiple inheritance is supported for interfaces in Java.
To achieve multiple inheritance for classes, you can use interfaces and implement them in the classes.
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posted on 1 Oct 2024
Triggers are special types of stored procedures that are automatically executed when certain events occur in a database.
Triggers are used to maintain referential integrity, enforce business rules, and automate actions in a database.
They can be set to execute before or after INSERT, UPDATE, or DELETE operations on a table.
Examples of triggers include auditing changes to a table, updating a related table when a record is
Stored procedures are precompiled SQL queries stored in a database for reuse.
Stored procedures are used to perform specific tasks or operations in a database.
They can improve performance by reducing the amount of data sent between the database and application.
Stored procedures can be called from within other SQL queries or from application code.
They can also help with security by controlling access to data and enforcin
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posted on 4 Mar 2024
I applied via Naukri.com and was interviewed in Aug 2023. There were 3 interview rounds.
Calender, time, relationship
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...
I applied via LinkedIn and was interviewed before Aug 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Jul 2022. There were 3 interview rounds.
I was interviewed before Feb 2023.
Magento ACL is a system that controls access to different areas of a Magento website. Knockout JS is a JavaScript library used in Magento for creating dynamic user interfaces.
Magento ACL is used to manage user roles and permissions in a Magento website
It allows administrators to control access to different sections of the website based on user roles
Knockout JS is used in Magento for creating interactive and responsive ...
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.
Engineer
4
salaries
| ₹2 L/yr - ₹3.2 L/yr |
Project Engineer
4
salaries
| ₹2.1 L/yr - ₹5 L/yr |
Officer
4
salaries
| ₹1.1 L/yr - ₹1.1 L/yr |
Quality Engineer
4
salaries
| ₹2.2 L/yr - ₹4 L/yr |
Account Assistant
4
salaries
| ₹2.5 L/yr - ₹3.1 L/yr |
Amazon
Flipkart
Reliance Industries
Tata Group