Android Developer Interview Questions | Glassdoor

Android Developer Interview Questions

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What is a volatile variable, and why would you use it?

2 Answers

Volatile keyword is used during multi-threading when you want the threads to edit this variable value. It ensures that the value of the variable is not cached and is stored directly in the main memory. hence, enabling concurrent usage of the variable by different threads.

Consider a single threaded single processor environment. Do you still need a volatile?

move the letter from a string to the end of a string. Letter to be moved are contained in a second string

2 Answers

There is a bug in SQL. If you try to access SQL processes at the same time then the SQL crashes. How can you fix this?

1 Answer

Hash Table run time complexity

1 Answer

Which is better for Binary search tree, array vs vector?

1 Answer

Linked List vs. Binary Search Tree about run time complexity.

1 Answer

Android framework questions were asked.

1 Answer

They asked about general software design patterns.

1 Answer

live and monitored programming exercise (very academic, pressure test) (build link list)

1 Answer

All of them should be fairly easy, but I did have some communication difficulties with the interviewer.

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