HCL Group Android App Developer Interview Questions and Answers

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There are 90 questions which are aptitude and reasoning and all, within 90 minutes of time we have solved all the problems.

There 2 coding questions there are easy level only in my opinion, within 1 hour we have solve.

Q1. Indrouce about yourself
Ans. 
I am a passionate Android App Developer with 5 years of experience in creating user-friendly and innovative mobile applications.
• 5 years of experience in Android app development

• Proficient in Java, Kotlin, and Android Studio

• Strong understanding of UI/UX design principles

• Experience with RESTful APIs and third-party libraries

• Published apps on Google Play Store
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Q2. What are projects you have done
Ans. 
I have developed a shopping app, a fitness tracker app, and a social media app.
• Developed a shopping app with user-friendly interface

• Created a fitness tracker app to monitor daily activities

• Designed a social media app with real-time messaging feature
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Q3. What are skills you had
Ans. 
I have strong skills in Java, Android Studio, UI/UX design, and problem-solving.
• Proficient in Java programming language

• Experience with Android Studio and Android app development

• Knowledge of UI/UX design principles

• Strong problem-solving skills
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Q1. Scope functions in kotlin
Ans. 
Scope functions in Kotlin are functions that allow you to execute a block of code within the context of an object.
• There are five scope functions in Kotlin: let, run, with, apply, and also.

• Each scope function has a specific use case and can help improve code readability and reduce boilerplate code.

• Scope functions can be used to perform operations on an object and return a result or modify the object itself.

• For example, ...read more
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Q2. LazyRow vs RecyclerView
Ans. 
LazyRow is a Jetpack Compose component for displaying horizontally scrolling lists, while RecyclerView is a traditional Android view for displaying large data sets efficiently.
• LazyRow is part of Jetpack Compose, RecyclerView is part of the Android framework

• LazyRow is more declarative and easier to use for simple lists, RecyclerView is more powerful and customizable for complex lists

• LazyRow automatically handles recycli...read more
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Q1. Explain activity life cycle
Ans. 
Activity life cycle refers to the stages an activity goes through from creation to destruction.
• An activity is created using onCreate() method

• It becomes visible using onStart() method

• It becomes interactive using onResume() method

• It goes to background using onPause() method

• It becomes invisible using onStop() method

• It gets destroyed using onDestroy() method
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Q2. What is difference between abstract class and interface
Ans. 
Abstract class is a class that can have both abstract and non-abstract methods while interface only has abstract methods.
• Abstract class can have constructors while interface cannot

• A class can implement multiple interfaces but can only inherit from one abstract class

• Abstract class can have instance variables while interface cannot

• Abstract class can provide default implementation for some methods while interface cannot

• Ex...read more
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Q1. Why are you looking for a change?
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Q2. Tell me about yourself.
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Aptitude questions(seating arrangement,number series),verbal reasoning, Networking,Cloud based questions,and pseudocode

2 coding questions,one will be easy, other will be tough,solving atleast one problem is necessary.

Q1. Read the given sentence
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Q2. Hear and answer the question
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Q1. Tell me about yourself
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Q2. About college project(as I am fresher) ,about internship, difficulties faced and how we solved it
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There are technical and objective questions

They asked about projects and asked to speak on any topics.

Q1. What is the preferred location? Where do I want to see myself in 5 years?
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Q2. What are expectations from the company?
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