Verve Mobile Angular Developer Interview Questions and Answers

Write a code for HTML DOM

Q1. Few basic question on python
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Q2. Some coding questions
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Based on your CV and basic python questions and coding test and few HR questions

Q1. All the basic angular questions asked, routing, how to pass data from one component to another components
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Q2. What is the difference between Observable and promise
Ans. 
Observable is a stream of data that can be subscribed to, while Promise is a one-time operation that returns a single value.
• Observable can emit multiple values over time, while Promise can only return a single value.

• Observable can be cancelled, while Promise cannot.

• Observable is lazy, meaning it only starts emitting data when it is subscribed to, while Promise starts executing immediately.

• Observable can handle errors w...read more
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Q3. How to share I'd using route
Ans. 
To share ID using route in Angular, use route parameters.
• Define a route with a parameter in the route path, e.g. '/user/:id'

• Access the parameter value in the component using ActivatedRoute service

• Use the parameter value to fetch data or perform actions related to that ID
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Q4. Input and output in angular
Ans. 
Input and output are used to pass data between components in Angular.
• Input is used to pass data from parent component to child component.

• Output is used to emit events from child component to parent component.

• Input and Output are defined using decorators @Input and @Output respectively.

• Example:
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Q5. What is data binding in angular
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Data binding is a way to connect data between the component and the view in Angular.
• Data binding allows for automatic synchronization of data between the component and the view.

• There are three types of data binding in Angular: Interpolation, Property binding, and Event binding.

• Interpolation is used to display component data in the view using double curly braces {{}}.

• Property binding is used to set the value of an eleme...read more
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Q6. Hook life cycle in angular
Ans. 
Hooks are functions that allow you to execute code at specific points in a component's life cycle.
• ngOnInit() - called after the component is initialized

• ngOnChanges() - called when the component's input properties change

• ngDoCheck() - called during every change detection cycle

• ngAfterContentInit() - called after content is projected into the component

• ngAfterContentChecked() - called after every check of projected content

• n...read more
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They given me one assignment task where I had to show all users detail in the table using angular material. They provided me CRUD API link and I submitted it in few hours and got selected.

Q1. Salary discussion and previous organisation project details.
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Q1. What programming language are you most proficient?
Ans. 
I am most proficient in Java.
• Extensive experience in developing applications using Java

• Strong understanding of object-oriented programming principles

• Familiarity with popular Java frameworks like Spring and Hibernate
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Q2. .NET, Angular and Sql Server
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Q1. How would you design a system that needs to handle million of records
Ans. 
I would design a system using scalable architecture, efficient data storage, and optimized query processing.
• Utilize a distributed database system like Cassandra or Hadoop for storing large volumes of data

• Implement data partitioning and sharding to distribute the data across multiple servers

• Use indexing and caching mechanisms to optimize query performance

• Employ load balancing techniques to evenly distribute incoming req...read more
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C language basic questions like structure and all
Then linux device driver

Q1. Normal intro questions
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Coding on python programming, any language is used in in coding.

Q1. Good ask simple question and simple program
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Q2. Python programming string reverse the string
Ans. 
Python provides a simple way to reverse a string using slicing.
• Use slicing to reverse the string: string[::-1]

• Assign the reversed string to a new variable or print it directly

• Alternatively, use the reversed() function to create a reversed iterator and join it back into a string
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