Fleming Embedded and Software Solutions Android Developer Trainee Interview Questions and Answers

Data structure - tree and linkedlist questions asked, binary search tree

Q1. Java multithreading
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Q2. Write code for synchronise threads
Ans. 
Synchronizing threads in Android can be achieved using synchronization blocks or methods.
• Use synchronized keyword to create a synchronized block or method

• Use locks such as ReentrantLock for more complex synchronization needs

• Consider using synchronized collections like ConcurrentHashMap for thread-safe data structures
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There is MCQ question categories reasoning math logical puzzle etc.

Q1. Question from java and android 1 Opps deep drive concept Encapsulation Abstraction Polymorphism Inheritance Use of keywords Var , val cons, static inline return break an...read more
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Assign some coding questions it will online on zoom and it will be final round

Determine an individual skill

Q1. Asking about my skills
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Q2. Asking About my skills in flutter
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Q3. Asking about experience
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Q1. Android Memory Leaks
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Q2. Android architecture
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Q3. Kotlin basics questions
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Q1. What is your experience
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Q2. What is your digree nothing else start
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Q1. Mostly they focus on java , oops concept. Rather than Android related questions
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Q2. Prepare basics of oops well
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Basic mathematics and logical question

Basic DSA like Array, link list

Q1. What is the difference between interface and abstract class?
Ans. 
Interface defines only method signatures while abstract class can have both method signatures and implementations.
• An interface can be implemented by multiple classes while a class can only extend one abstract class.

• An abstract class can have constructors while an interface cannot.

• An abstract class can have non-abstract methods while an interface can only have abstract methods.

• An abstract class can have instance variabl...read more
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Q2. What is singleton class?
Ans. 
A singleton class is a class that can only have one instance created at a time.
• Singleton classes are often used for managing resources that should only have one instance, such as a database connection or a configuration file.

• They are implemented by making the constructor private and providing a static method to access the single instance.

• Singleton classes can also implement interfaces and inherit from other classes.

• Exa...read more
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