Meydan Shobha Constructions Interview Questions and Answers

ViewBag is a dynamic object used to pass data from controller to view in ASP.NET MVC.

• ViewBag is a property of the Controller base class in ASP.NET MVC.

• It is used to pass data from the controller to the view.

• ViewBag is a dynamic object, which means you can add properties to it at runtime.

• ViewBag is not strongly typed, so you need to be careful when using it.

• Example: ViewBag.Title = "Home Page"; in the controller and @ViewBag.Title in the view.

View result is the output displayed on the screen after executing a query or operation.

• View result is the final output of a process or operation.

• It is usually displayed on the screen or in a window.

• Examples include search results, database query results, and web page content.

Stored procedures are precompiled SQL statements that can be saved and reused.

• Stored procedures can improve performance by reducing network traffic and optimizing query execution.

• They can also enhance security by allowing access to specific data without granting permissions to the underlying tables.

• Stored procedures can be parameterized, allowing for dynamic input and output.

• Examples of stored procedures include ones that retrieve data, modify data, or perform calculations.

• St...read more

A collection is a group of related objects or data.

• Collections are used to store and manipulate groups of data.

• They can be of various types such as lists, sets, maps, etc.

• Collections provide methods for adding, removing, and accessing elements.

• Examples include ArrayList, HashSet, and HashMap.

Hashmap is not thread-safe while concurrent hashmap is thread-safe.

• Hashmap is faster than concurrent hashmap in single-threaded environments.

• Concurrent hashmap is useful in multi-threaded environments to avoid race conditions.

• Concurrent hashmap uses locks to ensure thread-safety.

• Hashmap can be used when thread-safety is not a concern.

• Concurrent hashmap is part of java.util.concurrent package.

• Hashmap is part of java.util package.