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Junior Android Engineer Interview Questions

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8,473 junior android engineer interview questions shared by candidates

Interviewer was very kind and polite over call (Video). First it was quick intro and brief about projects. As I was experienced so I have explained all my projects which was in my CV. QS were started with basic JAVA OOPs concept with example. Collection questions like vector or Hashmap.? What is threading , how to create it. Then I android basic questions like : Fragment life cycle . Communication b/w fragments Diff. B/w service and intent Service. On which thread it works? Push Notifications process , what is Notification channel? Storage process you follow ? Jet pack components- Navigation, Data binding concepts (cross questions). Then Kotlin questions: Diff b/w Var & Val ? Scope functions ? What is coroutines how it works? Inline functions ? Lamba expression ? What is enum ? what is Singleton class how to create it in Kotlin ? Prepare above questions well. This might help you more . Just be confident and take your time before answer. Good luck.
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Android Developer

Interviewed at Infosys

3.6★
Jun 21, 2021

Interviewer was very kind and polite over call (Video). First it was quick intro and brief about projects. As I was experienced so I have explained all my projects which was in my CV. QS were started with basic JAVA OOPs concept with example. Collection questions like vector or Hashmap.? What is threading , how to create it. Then I android basic questions like : Fragment life cycle . Communication b/w fragments Diff. B/w service and intent Service. On which thread it works? Push Notifications process , what is Notification channel? Storage process you follow ? Jet pack components- Navigation, Data binding concepts (cross questions). Then Kotlin questions: Diff b/w Var & Val ? Scope functions ? What is coroutines how it works? Inline functions ? Lamba expression ? What is enum ? what is Singleton class how to create it in Kotlin ? Prepare above questions well. This might help you more . Just be confident and take your time before answer. Good luck.

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