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10+ Vanderlande Industries Interview Questions and Answers
Q1. Majority Element Problem Statement
Given an array/list 'ARR' consisting of 'N' integers, your task is to find the majority element in the array. If there is no majority element present, return -1.
Example:
Inpu...read more
Q2. Rotate Matrix to the Right
You are provided with a matrix MAT
of size 'N' * 'M', where 'N' is the number of rows and 'M' is the number of columns. Your task is to rotate the matrix to the right 'K' times, where...read more
Q3. Postfix Expression Evaluation Problem Statement
Given a postfix expression, your task is to evaluate the expression. The operator will appear in the expression after the operands. The output for each expression...read more
Q4. How do you write the functional compliances wrt to RFx you are working on?
I write functional compliances by thoroughly reviewing the RFx requirements and ensuring that our proposal meets all the specified criteria.
Review the RFx document carefully to understand the functional requirements
Create a compliance matrix to track how each requirement is addressed in the proposal
Clearly outline how our solution meets each functional requirement in the proposal
Provide evidence or examples to support our claims of compliance
Ensure that the language used is c...read more
Q5. What are windows functions and its implementations.
Windows functions are built-in functions provided by the Windows operating system to perform various tasks.
Windows functions are used to interact with the operating system, such as creating windows, handling messages, and managing resources.
Examples of Windows functions include CreateWindow, SendMessage, and LoadLibrary.
Windows functions are typically called through the Windows API (Application Programming Interface).
Q6. How will you integrate the online merchant
Integrating the online merchant involves collaborating with the merchant's technical team to set up API connections and ensure seamless transactions.
Collaborate with the online merchant's technical team to set up API connections
Ensure seamless transactions by testing the integration thoroughly
Provide support and training to the merchant's team on how to use the integrated system
Q7. Describe the proposal response format and structure.
The proposal response format and structure typically includes an executive summary, introduction, body, conclusion, and appendices.
Executive summary provides a brief overview of the proposal.
Introduction sets the context and outlines the objectives.
Body includes detailed information on the proposed solution, methodology, timeline, and budget.
Conclusion summarizes key points and reiterates the benefits of the proposal.
Appendices contain additional supporting documents, such as...read more
Q8. What are indexes? How are they built
Indexes are data structures that improve the speed of data retrieval in databases.
Indexes are built on columns in database tables to quickly locate rows based on the indexed column values.
They are typically implemented using B-tree or hash data structures.
Examples of indexes include primary keys, unique keys, and non-unique indexes.
Creating an index involves sorting the values of the indexed column and storing pointers to the corresponding rows.
Q9. Build a recommendation engine for Food Ordering App
Build a recommendation engine for Food Ordering App
Collect user preferences and behavior data
Use collaborative filtering to recommend similar items
Implement machine learning algorithms to personalize recommendations
Consider factors like location, cuisine, price range, and ratings
Test and iterate to improve recommendation accuracy
Q10. What are DBMS? how do you manage them?
DBMS stands for Database Management System. It is a software that allows users to interact with databases.
DBMS is used to create, update, and manage databases.
It provides tools for data storage, retrieval, and manipulation.
Examples of DBMS include MySQL, Oracle Database, and Microsoft SQL Server.
Q11. What is generics in swift
Generics in Swift allow you to write flexible, reusable functions and types that can work with any type.
Generics enable you to write functions and types that can work with any type, without specifying the actual type.
They help in writing flexible and reusable code.
Example: Array
is a generic type in Swift that can hold elements of any type T.
Q12. What is better Struct or Class
It depends on the specific use case and requirements of the project.
Use struct for lightweight data structures with no behavior or methods.
Use class for more complex data structures with behavior and methods.
Structs are value types while classes are reference types.
Structs are typically used for small data structures like Point, Rectangle, etc.
Classes are used for larger, more complex objects like Customer, Employee, etc.
Q13. Write order of SQL Queries
The order of SQL queries is crucial for proper execution and data retrieval.
Start with SELECT statement to retrieve data from database
Follow with FROM clause to specify the table(s) to query
Add WHERE clause to filter the results based on specified conditions
Include ORDER BY clause to sort the results in a specific order
Finish with any additional clauses like GROUP BY or JOIN if needed
Q14. Explanation around SQL Indexes
SQL Indexes improve query performance by allowing faster data retrieval
Indexes are data structures that improve the speed of data retrieval operations on a database table
They work by creating a sorted list of specific columns in a table, allowing the database to quickly locate the rows that match a query
Types of indexes include clustered indexes (physically reorders the table) and non-clustered indexes (separate data structure)
Indexes should be used judiciously as they can im...read more
Q15. What is solid design principles
Q16. What is singleton design pattern
Q17. Software Development Journey
My software development journey has been filled with challenges, learning experiences, and growth.
Started learning programming languages like Java, C++, and Python in college
Interned at a tech company to gain practical experience
Worked on various projects, including web development, mobile app development, and database management
Attended coding bootcamps and workshops to enhance my skills
Continuously learning new technologies and staying updated with industry trends
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