Etisalat Senior Mobile Developer Interview Questions and Answers

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Q1. Basic data structure questions
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Q2. Explain binary search with example
Ans. 
Binary search is a search algorithm that finds the position of a target value within a sorted array.
• Divide the array into two halves and compare the target value with the middle element.

• If the target value is less than the middle element, search the left half. If greater, search the right half.

• Repeat the process until the target value is found or the subarray is empty.
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Q1. What is concurrency technique in android
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Concurrency technique in Android allows multiple tasks to run simultaneously, improving performance and responsiveness.
• Concurrency in Android can be achieved using AsyncTask, Handlers, Executors, and RxJava.

• AsyncTask allows running background tasks on a separate thread and updating UI on the main thread.

• Handlers are used to post and process Runnable objects on a thread's message queue.

• Executors provide a high-level API...read more
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Q1. Explain about previous project and what was your role in that project
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Mid level coding test

Q1. DSA question like array linked list
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Q1. What is mvvm how it handle configuration changes ?
Ans. 
MVVM stands for Model-View-ViewModel, a design pattern that separates the UI from the business logic.
• MVVM separates the UI (View) from the business logic (ViewModel) using a data-binding mechanism.

• ViewModel retains data during configuration changes, ensuring that data is not lost when the device is rotated or the app is put in the background.

• ViewModel survives configuration changes by being retained by the system, whil
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Q2. Android 14 changes?
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Android 14 introduced new features like improved privacy controls, enhanced performance, and updated APIs.
• Improved privacy controls with more granular app permissions

• Enhanced performance optimizations for smoother user experience

• Updated APIs for developers to utilize new functionalities

• Introduction of new security features to protect user data
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Q1. Basic,Mvvm,corutiens,Dragger,Room etc
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Q2. Basic to advance question
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Q3. Basic to advance question
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Q1. Some program and degin and make fully funtional login page using Mvvm dragger retrofit rtc
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Q1. Salary discussion only
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Q1. Technical questions were asked based on Android SDK and its lifecycle.
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Q1. Architecture-level questions were asked here and collections related questions.
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Q1. Heap and Stack memory
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Q1. Java opps Basic ,Kotline and android Basis and some advance
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Q2. Sigleton,Java Opps Conscept, Mvvm, Design pattern, Android Architecture, DI, Corutions
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Q3. Services , Brodcast,Work Manager
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Q1. Basic and Advance android Question
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Q1. Salary Discussion , Formal Introduction
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