Verinite Technologies Interview Questions and Answers

RecyclerView is a flexible view for providing a limited window into a large data set.

• RecyclerView is used to display large data sets that can be scrolled efficiently.

• It reuses the views that are no longer visible to display new data.

• It uses a LayoutManager to position the items and a ViewHolder to cache the views.

• It provides built-in animations for adding, removing, and updating items.

• It supports both vertical and hori...read more

Array is a collection of elements of similar data type stored in contiguous memory locations. LinkedList is a data structure where each element is a separate object with a reference to the next element.

• Array has fixed size, LinkedList can grow dynamically

• Array has faster access time, LinkedList has faster insertion and deletion time

• Array is best for random access, LinkedList is best for sequential access

• Example of Arra...read more

Context is an object that provides access to application-specific resources and classes.

• Context is used to get access to system services, resources, preferences, etc.

• There are two types of context: Application Context and Activity Context.

• Application Context is tied to the lifecycle of the application and is available throughout the application.

• Activity Context is tied to the lifecycle of an activity and is available o...read more

Routers connect different networks, switches connect devices within a network.

• Routers operate at the network layer and use IP addresses to forward packets between networks.

• Switches operate at the data link layer and use MAC addresses to forward frames within a network.

• Routers can prioritize traffic and perform network address translation (NAT).

• Switches can create virtual LANs (VLANs) to segment a network.

• Example of a r...read more

Windows 10 has a more modern interface, better security features, and improved performance compared to Windows 7.

• Windows 10 has a Start menu with live tiles, while Windows 7 has a traditional Start menu.

• Windows 10 has Cortana, a virtual assistant, while Windows 7 does not.

• Windows 10 has better security features such as Windows Hello, biometric authentication, and improved Windows Defender.

• Windows 10 has improved perfor...read more