XpressBees Application Support Engineer 1 Interview Questions and Answers

Q1. Hashing based questions using maps
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Two sum related problem and advanced Priority Queue related questions

Q1. LLD and class diagram for Minesweeper game
Ans. 
LLD and class diagram for Minesweeper game
• Create classes for Board, Cell, Game, Player

• Use composition to represent relationships between classes

• Implement methods for revealing cells, flagging cells, checking for game over

• Consider using enums for cell states (covered, uncovered, flagged)

• Use UML notation to draw class diagram
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Hacker rank test - 2 medium questions

Q1. Create and implement product management system with APIs and test case
Ans. 
Design and implement a product management system with APIs and test cases
• Create a database schema to store product information

• Develop RESTful APIs for CRUD operations on products

• Implement authentication and authorization for API access

• Write unit tests and integration tests for APIs

• Use tools like Postman for API testing
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Q1. Low level design - parking lot
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Q1. High level design - streaming platform
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Q1. Basic questions on past experiences, projects and scenario based questions on how will you handle this and that
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Javascript Internals

React Fundamentals, Machine coding

Q1. Why do u want to work with us, Behavioral questions
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Hackerrank questions

Q1. Coding through screen sharing
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Q1. Discussion on previous projects
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Q1. Behavioural analysis
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Q1. Behavioural questions and discussions
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Q1. Explain advantages of Angular
Ans. 
Angular offers advantages such as two-way data binding, dependency injection, and modular architecture.
• Two-way data binding allows automatic synchronization of data between the model and the view, reducing the need for manual DOM manipulation.

• Dependency injection helps manage dependencies and promotes code reusability by allowing components to be easily injected with their dependencies.

• Modular architecture enables deve...read more
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Q2. Explain about ngmodel
Ans. 
ngModel is a directive in AngularJS that binds the value of HTML controls to application data.
• ngModel is used for two-way data binding in AngularJS.

• It can be used with input, select, textarea, and custom form controls.

• Example:
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Q1. Java coding questions
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Q2. Core java and spring questions
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Q1. Salary expectation
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