Green Apples Techsystems Front end Developer Interview Questions and Answers

Reasoning logocial thing topics

Coding text web developer development

HTML CSS javascript DSA corejava

Java programming HTML tags DSA algorithms

Q1. Caching Strategy
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Q2. What is micro Frontend architecture
Ans. 
Micro Frontend architecture is an approach to building front-end applications by breaking them down into smaller, independently deployable units.
• Allows different teams to work on separate parts of the application

• Each micro frontend can be developed using different technologies

• Enables incremental upgrades and updates without affecting the entire application

• Can improve performance by loading only the necessary components

• ...read more
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Q3. Pure and impure pipes in angular
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Pure pipes in Angular are stateless and do not change the input data, while impure pipes can have side effects and change the input data.
• Pure pipes are used for simple transformations like formatting dates or numbers.

• Impure pipes are used for more complex transformations that require state or side effects.

• Pure pipes are faster and more efficient as they only run when a pure change to the input data is detected.

• Impure p...read more
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Q4. How to make singleton services multiton
Ans. 
Singleton services can be made multiton by maintaining a map of instances with unique keys.
• Create a map to store instances with unique keys

• Use a factory method to retrieve instances based on keys

• Ensure that only one instance is created per key
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Q5. What is dependency injection
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Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.
• Allows for easier testing by injecting mock dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Examples: AngularJS, Spring Framework
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One coding, 40 technical mcq, 20-30 aptitude

Q1. Js, react questions
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Q1. Mostly js questions, not so many of angular or react.
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Q2. Like fizbuzz or things like that.
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Average,Time Speed Distance , Stream and Boat , Proportions , SI and CI

Q1. Read the Given Sentence
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Q2. Tell the description about the topic
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The topic is about describing a specific subject or concept in detail.
• Provide a comprehensive overview of the topic

• Include key details and characteristics

• Explain the significance and relevance of the topic

• Use examples to illustrate key points
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Java , SQL , Front end quesstion

Given time aptitude must be cleared

2 codings for 1 hour

Q1. Angular basics questions
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Q2. Javascript basic concepts
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Q1. Discussion about expected ctc
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