Accedo Broadband Android Developer Interview Questions and Answers for Experienced

Q1. Basic HR Discussion
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Q1. About Android, Kotlin, Activity Fragments Services Notifications Workmanager OOPS Easy DSA etc.
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Q1. Salary discussion
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Data structure - tree and linkedlist questions asked, binary search tree

Q1. Java multithreading
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Q2. Write code for synchronise threads
Ans. 
Synchronizing threads in Android can be achieved using synchronization blocks or methods.
• Use synchronized keyword to create a synchronized block or method

• Use locks such as ReentrantLock for more complex synchronization needs

• Consider using synchronized collections like ConcurrentHashMap for thread-safe data structures
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One coding question basic DSA related

Q1. 1.Explain delegate and protocol 2.Explain Mvc 3.Explain arc
Ans. 
Answers to questions related to IOS development concepts.
• Delegate and protocol are used for communication between objects in IOS. Delegate is a design pattern that allows one object to send messages to another object when a specific event occurs. Protocol is a set of methods that a class can implement to provide a specific behavior.

• MVC is a design pattern used in IOS development. It separates the application into three...read more
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Q2. Explain mvc design pattern
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MVC is a design pattern that separates an application into three interconnected components: Model, View, and Controller.
• Model represents the data and business logic of the application

• View is responsible for displaying the data to the user

• Controller acts as an intermediary between the Model and View, handling user input and updating the Model and View accordingly

• MVC promotes separation of concerns and modularity, making...read more
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Q1. MVP vs MVVM, Proguard, Coroutine,Coroutine builder,program for char count
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Q1. Hr asked about total experience
Ans. 2 years of experience in react native developer
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Q2. Hr asked about current CTC and expectations and availablity for joining technical round
Ans. Telling her my expectation and current CTC and time for join the interview
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Q1. What is state ,props, redux, asyncstorage,how to upload a build on test flight
Ans. 
State, props, Redux, AsyncStorage are key concepts in React Native. Uploading a build on TestFlight involves creating an IPA file and using Xcode.
• State is used to manage data within a component and can be updated using setState.

• Props are read-only data passed from parent to child components.

• Redux is a state management library for managing application state.

• AsyncStorage is a simple, unencrypted, asynchronous, persistent...read more
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Q2. He assisted my same task on js like what is output of following questions and ask difference between map, forEach, for loop etc
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Q1. Desing pattern and ui testing
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Q2. Design pattern and coding
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Q3. Make api flow and create with help of design pattern for ui and ux testing
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The answer to the question is provided below.
• To create an API flow, start by identifying the endpoints and their functionalities.

• Design the UI and UX testing by using appropriate design patterns like MVC or MVVM.

• Implement the API calls and handle the responses using networking libraries like Alamofire.

• Use XCTest or UI Testing frameworks for automated UI and UX testing.

• Mock the API responses for testing purposes using t...read more
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Q1. Basics of kotlin, Oops, android basic concept, code logic, solid principles, dependency injection
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Q1. Koltin concept, Coroutine, code logic, git commands, DI, Design Pattern, Architecture pattern, Oops, Android concept
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Q1. Kotlin & Android concept, solid principles, Git command, DI, Oops in detail, Coroutines, design patterns & architecture patterns in depth. Normal logical test.
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