AVEVA Senior R&D Engineer 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.

Checking points in beam and column are critical for ensuring structural integrity.

• Checking for cracks or deformations

• Ensuring proper alignment and levelness

• Verifying adequate reinforcement

• Checking for proper bearing and connection details

• Using non-destructive testing methods

• Following applicable codes and standards

ArrayList and LinkedList are both data structures used to store and manipulate collections of objects in Java.

• ArrayList is implemented as a resizable array, while LinkedList is implemented as a doubly linked list.

• ArrayList provides constant time access to elements using their index, while LinkedList provides constant time insertion and deletion of elements.

• Spring Boot annotations include @Controller, @Service, @Reposit...read more

Truncate removes all data from a table while delete removes specific rows.

• Truncate is faster than delete as it doesn't log individual row deletions

• Truncate resets auto-increment values while delete doesn't

• To truncate a table in MySQL, use the TRUNCATE TABLE statement

• Methodology used in my project was Agile