Bilt Trainee Interview Questions and Answers

Android architecture stack is a set of layers that make up the Android operating system.

• The stack includes four main layers: Linux kernel, native libraries, Android runtime, and application framework.

• The Linux kernel provides low-level system functionality.

• Native libraries are written in C or C++ and provide access to hardware-specific features.

• The Android runtime includes the Dalvik virtual machine and core libraries.

• ...read more

AIDL stands for Android Interface Definition Language, used for inter-process communication in Android.

• AIDL is used to define the interface between client and service in Android.

• It allows communication between different processes in Android.

• AIDL is used to pass complex data types between processes.

• AIDL is similar to Remote Procedure Call (RPC) in other programming languages.

• Example: AIDL is used in Android to implement...read more

Hash set and hash map are data structures used to store key-value pairs for efficient retrieval.

• Hash set stores unique values without any specific order.

• Hash map stores key-value pairs and allows fast retrieval of values based on keys.

• Both use hashing to map keys to their corresponding values.

• In Java, HashSet and HashMap are implementations of these data structures.

Concrete technology is the study of the properties and behavior of concrete, including its composition, production, and application.

• Concrete is a composite material made up of cement, water, aggregates, and often other additives.

• It is widely used in construction for its strength, durability, and versatility.

• Concrete technology involves understanding the chemical reactions and physical properties of concrete.

• It includes...read more

My favorite subject is computer science.

• I enjoy studying algorithms and data structures.

• I find programming languages fascinating and love exploring their features.

• I am passionate about software development and enjoy solving complex problems.

• I am interested in artificial intelligence and machine learning.

• I enjoy learning about computer networks and cybersecurity.