Blinkit Android Developer Interview Questions and Answers

Q1. Asked me to develop an android app with weather forecast (use dependency injection)
Add your answer
Q2. Develop weather forecast app
Ans. 
Develop a weather forecast app for Android platform.
• Utilize APIs like OpenWeatherMap for real-time weather data

• Include features like current weather, hourly forecast, and 7-day forecast

• Implement location-based weather updates

• Design user-friendly interface with intuitive navigation

• Incorporate push notifications for weather alerts
Answered by AI
Add your answer

Q1. Lazy vs latinit
Ans. 
lazy vs lateinit are both used in Kotlin to delay the initialization of variables, but lazy is for val properties and lateinit is for var properties.
• lazy is a property delegate that initializes the value only upon first access

• lateinit is used for var properties that are guaranteed to be initialized before accessing them

• lazy can be used for properties that are computationally expensive to initialize, while lateinit is u...read more
Answered by AI
Add your answer
Q2. Hashmap vs hashtable
Ans. 
Hashtable is synchronized and slower, while hashmap is not synchronized and faster.
• Hashtable is synchronized, while hashmap is not.

• Hashtable does not allow null keys or values, while hashmap allows one null key and multiple null values.

• Hashtable is thread-safe, while hashmap is not.

• Hashtable is slower than hashmap due to synchronization.

• Example: Hashtable ht = new Hashtable(); HashMap hm = new HashMap();
Answered by AI
Add your answer

Find distinct island, check if balanced parenthesis

The first round is Hackerrank two algo and one UI test very easy, Second is Fundamentals of JS and React Native one must have a deep understanding of JS to do that I strongly suggest going through Akashay Saini's JS series It'll help and the Third is PS/DS asked some basic A&DS questions can be solved easily with little practice on Leetcode

Q1. MVVM pattern and coroutines
Add your answer

Q1. Recyclerview practical impl with itemview
Ans. 
RecyclerView is used to display large sets of data efficiently. ItemView is used to define the layout of each item in the list.
• RecyclerView is a more advanced version of ListView and GridView

• ItemView is a layout file that defines the UI for each item in the list

• RecyclerView.Adapter is used to bind the data to the views

• RecyclerView.LayoutManager is used to define the layout of the RecyclerView

• RecyclerView.ViewHolder is
Answered by AI
Add your answer

Q1. History check with previous companies
Add your answer