QBurst Technologies Engineer Interview Questions, Process, and Tips

Q1. Memory leak in Android?
Ans. 
Memory leak in Android refers to a situation where an application uses memory inefficiently, causing unused memory to accumulate and not be released.
• Memory leaks can occur when objects are not properly released after use, leading to a buildup of unused memory.

• Common causes of memory leaks in Android include holding onto references to objects that are no longer needed, using static variables in a way that prevents them ...read more
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Q2. Garbage collection basics.
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Q3. Pass data between fragments in Android
Ans. 
Use ViewModel to share data between fragments in Android
• Create a ViewModel class to hold the data to be shared

• Observe the ViewModel in each fragment to receive updates

• Use LiveData to ensure data is updated in real-time
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Q1. Implement a Hash Map
Ans. 
A Hash Map is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• Use an array to store the key-value pairs

• Implement a hash function to map keys to indices in the array

• Handle collisions by using techniques like chaining or open addressing
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Q2. Activity lifecycle in Android
Ans. 
Activity lifecycle in Android refers to the different states an activity goes through during its lifetime.
• There are several states in the activity lifecycle, including onCreate, onStart, onResume, onPause, onStop, and onDestroy.

• Activities can transition between these states based on user interactions or system events.

• Understanding the activity lifecycle is crucial for managing resources and maintaining a smooth user ex...read more
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A basic coding round that can be conducted in any programming language.

Q1. What is the implementation and explanation of the coding question that was asked in the first round?
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Q1. Javascript coding question
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Q2. Output prediction
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Q3. Basic react and javascript questions
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Q1. Scenario based questions
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Q1. Pure Technical Questions in the domain you are applying for.
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Q1. Typical Managerial round questions pike how to tackle different scenarios
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