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Junior Android Engineer Interview Questions

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10,456 junior android engineer interview questions shared by candidates

Android Questions Components of android Intents, intent filter, Services, Types of it Android Jetpack Components:LiveData,Viewmodel,RoomDatabase Launch Modes MVVM design Pattern Async Task Singleton Design Pattern Context in Android & its uses. Uses of Manifest File. Difference btw manual & dynamic broadcast receiver & when do we use it. How to create different app versions? How to reduce app size ? How to add custom marker in maps? what is FCM in firebase? how to launch the app in playstore?explain the steps? how memory leak is cause in viewmodel? how do you access viewmodel instance? what are runtime permissions? what is synchronizations? (All questions needed a real-time example or w.r.t your projects) Coding Questions 1.Write unique numbers from array. 2.Write Singleton class in java. 3.Print the output as string without using the double array. Input: _A__B_RT_G__ | output : ABRTG 4. Print the numbers from array. Input : 1 21 32 4 5 62 7 9 102 11 13 13 14 15 16 17 18 Output : 1 32 62 11 16 .. so on 5.Reverse the words in a string. input : Good Morning output: doogG gninroM 6. Reverse the string without reversing the words in string. Input: Today is good day. Output : day good is Today
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Android Developer

Interviewed at Tismo Technology Solutions

3.7★
Apr 14, 2021

Android Questions Components of android Intents, intent filter, Services, Types of it Android Jetpack Components:LiveData,Viewmodel,RoomDatabase Launch Modes MVVM design Pattern Async Task Singleton Design Pattern Context in Android & its uses. Uses of Manifest File. Difference btw manual & dynamic broadcast receiver & when do we use it. How to create different app versions? How to reduce app size ? How to add custom marker in maps? what is FCM in firebase? how to launch the app in playstore?explain the steps? how memory leak is cause in viewmodel? how do you access viewmodel instance? what are runtime permissions? what is synchronizations? (All questions needed a real-time example or w.r.t your projects) Coding Questions 1.Write unique numbers from array. 2.Write Singleton class in java. 3.Print the output as string without using the double array. Input: _A__B_RT_G__ | output : ABRTG 4. Print the numbers from array. Input : 1 21 32 4 5 62 7 9 102 11 13 13 14 15 16 17 18 Output : 1 32 62 11 16 .. so on 5.Reverse the words in a string. input : Good Morning output: doogG gninroM 6. Reverse the string without reversing the words in string. Input: Today is good day. Output : day good is Today

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