Accenture Interview Questions, Process, and Tips

Q1. What is partial Class? out v/s ref ?
Ans. 
Partial class allows a class to be split into multiple files. 'out' passes a variable by reference, 'ref' requires it to be initialized.
• Partial class allows a class to be split into multiple files for easier organization.

• 'out' keyword is used to pass a variable by reference, allowing the method to modify its value.

• 'ref' keyword is used to pass a variable by reference, but it must be initialized before being passed to t
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Q2. SQL questions like how to imrpve performace of Stored procedure
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Q1. What are SOLID principals?
Ans. 
SOLID principles are five design principles aimed at making software designs more understandable, flexible, and maintainable.
• S - Single Responsibility Principle: A class should have one, and only one, reason to change. Example: A class handling user data should not also handle logging.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification. Example: Using interfaces to allo...read more
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Q2. How can we pass multiple values from controller to view in asp.net core MVC?
Ans. 
In ASP.NET Core MVC, multiple values can be passed from a controller to a view using ViewData, ViewBag, or a strongly-typed model.
• Use ViewData: Pass values as key-value pairs. Example: ViewData['Message'] = 'Hello World!';

• Use ViewBag: Similar to ViewData but uses dynamic properties. Example: ViewBag.Title = 'My Page';

• Use a ViewModel: Create a class to hold multiple properties. Example: public class MyViewModel { public...read more
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Q3. Linq queries for left, right and inner join?
Ans. 
LINQ queries allow for efficient data manipulation and retrieval using left, right, and inner joins in C#.
• Inner Join: Combines records from two collections where there is a match. Example: var result = from a in collectionA join b in collectionB on a.Id equals b.AId select new { a, b };

• Left Join: Returns all records from the left collection and matched records from the right. Example: var result = from a in collectionA...read more
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Q4. Regular expressions in C# .net?
Ans. 
Regular expressions in C# are powerful tools for pattern matching and text manipulation using the System.Text.RegularExpressions namespace.
• Use the Regex class: `Regex regex = new Regex(pattern);`

• Match a string: `Match match = regex.Match(input);`

• Find all matches: `MatchCollection matches = regex.Matches(input);`

• Replace text: `string result = regex.Replace(input, replacement);`

• Example pattern: `\d+` matches one or more
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Q5. Dependency injection and use of entity framework for connecting our asp.net MVC web app to database.
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The aptitude test lasted two hours and primarily included questions related to Selenium, TestNG, and Maven.

Q1. Selenium, testng,git, jenkins, bdd questions asked
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Q1. Salary negotiation
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Q1. What is concurrent Hashmap?
Ans. 
ConcurrentHashMap is a thread-safe version of HashMap in Java.
• ConcurrentHashMap allows multiple threads to read and write to the map concurrently without causing any data corruption.

• It achieves thread-safety by dividing the map into segments and locking only a portion of the map during write operations.

• ConcurrentHashMap is more efficient than using synchronized collections for concurrent access.

• Example: ConcurrentHashM
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Q2. What is Deadlock?
Ans. 
Deadlock is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.
• Occurs in multitasking environments

• Caused by a circular wait for resources

• Can be resolved by prevention or detection algorithms

• Example: Process A holds Resource 1 and waits for Resource 2, while Process B holds Resource 2 and waits for Resource 1
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Q3. What is linked list?
Ans. 
A linked list is a data structure where each element points to the next element in the sequence.
• Consists of nodes where each node contains data and a reference to the next node

• Can be singly linked (each node points to the next node) or doubly linked (each node points to the next and previous nodes)

• Allows for dynamic size and efficient insertion/deletion operations
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Q4. What is immutablity?
Ans. 
Immutability refers to the state of an object or data structure that cannot be modified after it is created.
• Immutable objects cannot be changed once they are created

• Immutability ensures data integrity and thread safety

• Examples include strings in Java, tuples in Python
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Q5. Multi threading questions
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Q6. Coding Question to split 'HelloWorld'
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Q1. Explain budgeting
Ans. 
Budgeting is the process of creating a plan to manage income and expenses over a specific period of time.
• Involves estimating income and expenses

• Setting financial goals

• Monitoring actual performance against the budget

• Adjusting the budget as needed

• Common types include operating budgets, capital budgets, and cash budgets
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Q2. Explain forecasting
Ans. 
Forecasting is the process of making predictions about future trends based on past and present data.
• Forecasting involves analyzing historical data to identify patterns and trends

• Different methods such as qualitative and quantitative analysis can be used for forecasting

• Common techniques include time series analysis, regression analysis, and econometric modeling

• Forecasting helps businesses make informed decisions and pla...read more
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Q3. Explain revenue recognition
Ans. 
Revenue recognition is the process of recording revenue in a company's financial statements when it is earned.
• Revenue is recognized when it is realized or realizable and earned, regardless of when cash is received.

• It is important to match revenues with expenses in the period they are incurred to accurately reflect the financial performance of a company.

• Different industries may have specific guidelines for revenue recog...read more
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Q4. Rent accured ledger entry
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Q5. Why is asset recognised or depreciated in balance sheet
Ans. 
Assets are recognized in the balance sheet to reflect the company's resources and their value, while depreciation is recorded to allocate the cost of assets over their useful life.
• Assets are recognized in the balance sheet to show the company's resources and their value.

• Depreciation is recorded to allocate the cost of assets over their useful life.

• Recognizing assets and depreciating them helps in accurately reflecting ...read more
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Q1. What is a dispatcher servlet?
Ans. 
Dispatcher servlet is the front controller in Spring MVC framework that receives incoming requests and directs them to appropriate handlers.
• Dispatcher servlet is configured in the web.xml file or through Java configuration.

• It acts as the entry point for all requests in a Spring MVC application.

• Dispatcher servlet uses handler mappings to determine which controller should handle a specific request.

• It also uses view resol...read more
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Q2. Write the java code to retrieve the second highest salary using the stream api.
Ans. 
Java code using stream api to retrieve second highest salary
• Use stream to sort salaries in descending order

• Skip the first highest salary and retrieve the second highest
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Q3. Difference between @Controller & @RestController.
Ans. 
The @Controller annotation is used to create a controller in Spring MVC, while @RestController is used to create RESTful web services.
• Controller is used to create web pages, RestController is used to create RESTful web services

• @Controller returns the view, @RestController returns the object and data directly

• @RestController is a specialization of @Controller
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Q4. Explain the lifecycle of a thread.
Ans. 
Thread lifecycle includes new, runnable, running, blocked, and terminated states.
• Thread is created in 'new' state

• Thread becomes 'runnable' when start() method is called

• Thread enters 'running' state when CPU starts executing its run() method

• Thread can be 'blocked' when waiting for a resource or I/O operation

• Thread reaches 'terminated' state when run() method completes or stop() method is called
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