Stanley Black & Decker Embedded Software Engineer Interview Questions and Answers

Q1. What is polymorphism in OOPS
Ans. 
Polymorphism in OOPS refers to the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance allows a child class to override a method of its parent class, providing different implem
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Q2. How SQL Performance Can Be Optimized
Ans. 
SQL performance can be optimized by using indexes, optimizing queries, minimizing network round trips, and using proper data types.
• Use indexes on columns frequently used in WHERE clauses to speed up data retrieval.

• Optimize queries by avoiding unnecessary joins, using WHERE clauses effectively, and limiting the number of rows returned.

• Minimize network round trips by batching multiple queries into a single request.

• Use pr...read more
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Q1. Salary Expectation as per Your Role
Ans. 
My salary expectation as a Senior Software Engineer is based on industry standards, my experience, and the responsibilities of the role.
• Research industry standards for Senior Software Engineer salaries

• Consider my years of experience and expertise in software development

• Factor in the specific responsibilities and requirements of the role

• Negotiate based on the company's budget and benefits package

• Be open to discussing sa
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Q2. How will manage If you see the application is crashed
Ans. 
I will investigate the root cause, analyze logs, and work on fixing the issue to prevent future crashes.
• Investigate the crash logs to identify the root cause

• Analyze the code to understand the issue

• Implement a fix for the crash

• Test the fix thoroughly before deploying it

• Implement monitoring and alerting to catch similar issues in the future
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MCQ of programming languages - c/c++/Python , basic DS and OS questions

Q1. DS and programming language questions
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Q1. Project level discussion and questions
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Q1. Basics of OOP and JavaScript related
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Q1. Basic and advanced concepts
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Q1. First round was mostly basics of angular and JavaScript
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Q1. This round was more focused of in depth of JavaScript and angular
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Q1. Managerial round for 1.5 hrs with non stop situational based questions
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Q1. Normal HR related questions
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Pure technical ... Will happen for at least an hour with 2 members panel

Q1. TSI round(behavioural) ... These will be taken by 3 managers and 2 of them should be satisfied Ex: What you do if you have conflicts with your immediate team lead?
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Q2. What is the most challenging task you faced ? And why it was challenging?
Ans. 
Migrating a legacy system to a new technology stack.
• Understanding the existing system architecture and functionality.

• Identifying the gaps and limitations of the legacy system.

• Researching and selecting the appropriate technology stack for the migration.

• Ensuring data integrity and compatibility during the migration process.

• Testing and debugging the migrated system to ensure it functions correctly.

• Training and supporting
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On campus drive - 1 st round was aptitude and coding with technical and quantitative aptitude questions, and 2 easy level programming questions .

Group discussion on latest general topics ( rarely few groups got technical topics).

Q1. Questions based on area of Interest and the projects done.
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Q2. 1. Teach me Object oriented programming. (Consider I have no programming knowledge and don't understand classes and objects as such. - Explain using realtime examples.)
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Q3. What is the difference between aggregation and composition? Abstract class vs interface.
Ans. 
Aggregation is a 'has-a' relationship where one object contains another object, while composition is a stronger form of aggregation where the contained object has no independent existence.
• Aggregation is a weaker relationship where one object 'has-a' another object, but the contained object can exist independently.

• Composition is a stronger relationship where one object is composed of another object, and the contained ob...read more
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Q4. Why do we need DBMS? What are views, procedures and triggers?
Ans. 
DBMS is needed to efficiently store, retrieve, and manage data. Views, procedures, and triggers are database objects used for data manipulation and automation.
• DBMS is needed to ensure data integrity, security, and consistency.

• Views are virtual tables that display data from one or more tables based on a query.

• Procedures are reusable sets of SQL statements stored in the database for execution.

• Triggers are special stored ...read more
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Q1. Behaviour oriented questions. Where do you see yourself five years from now? (Questions to check the approch and intent of the candidate).
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