Infosys Senior Software Engineer Interview Questions, Process, and Tips

Q1. Intro and questions about the current project
Add your answer
Q2. Concepts in core and api and other mentioned skills
Add your answer

Q1. About the current salary getting
Add your answer
Q2. About the expected salary looking
Add your answer

Aptitude questions in maths and English

Different languages or one language which they know coding to type

Overall assignment to the people about the job

We have to study the person

We have discuss which job will perfect about their person knowledge

Q1. We have to check the technical knowledge
Add your answer

Q1. Before HR round the interview will be conducted
Add your answer

Q1. The last HR interview round
Add your answer

Q1. Explain about collection frame work? What is Hash Set?
Ans. 
Collection framework is a set of classes and interfaces that provide a standard way to store and manipulate groups of objects. HashSet is a collection class that implements the Set interface.
• Collection framework provides classes like List, Set, Map for storing and manipulating data.

• HashSet is a collection class that stores unique elements and does not maintain insertion order.

• Example: HashSet set = new HashSet(); set.a
Answered by AI
Add your answer
Q2. Write a query to find 2nd highest salary?
Ans. 
Query to find 2nd highest salary in a table
• Use a subquery to select distinct salaries

• Order the salaries in descending order

• Use LIMIT to get the second highest salary
Answered by AI
Add your answer

Q1. Extension methods in C#
Ans. 
Extension methods allow adding functionality to existing types without modifying them.
• Extension methods are defined in a static class.

• They must be marked with the 'this' keyword before the first parameter.

• They can be called on instances of the extended type as if they were instance methods.

• Extension methods can be used to add functionality to third-party or built-in types.

• Example: 'myString.Reverse()' where 'Reverse' i
Answered by AI
Add your answer
Q2. When an int is declare with 0 value and passed as an out parameter to a method what will be the output
Ans. 
The output will depend on the implementation of the method.
• The method may or may not modify the value of the int parameter.

• The method may or may not return a value based on the int parameter.

• Without knowing the implementation of the method, it is impossible to predict the output.
Answered by AI
Add your answer
Q3. How do you inherit a partial class
Ans. 
To inherit a partial class, use the 'partial' keyword in both the base and derived classes.
• Use the 'partial' keyword in both the base and derived classes

• Ensure that the partial classes have the same name and are in the same namespace

• Add the necessary code to the derived class to inherit the properties and methods from the base class
Answered by AI
Add your answer
Q4. What is "using" keyword
Ans. 
The 'using' keyword is used in C# to declare a code block that uses an object and automatically disposes of it when done.
• The 'using' keyword is followed by a set of parentheses that contain the object to be used.

• The object must implement the IDisposable interface.

• The 'using' block ensures that the object is disposed of when the block is exited, even if an exception is thrown.

• Example: using (FileStream fileStream = new ...read more
Answered by AI
Add your answer
Q5. Tools in visual studio for memory management, rectify unused variable and unnecessary code
Add your answer
Q6. Why do we need WebAPIs
Ans. 
WebAPIs allow communication between different systems and enable access to data and functionality over the internet.
• WebAPIs provide a standardized way for different systems to communicate with each other over the internet.

• They allow access to data and functionality from remote servers, enabling the creation of web and mobile applications.

• WebAPIs can be used to integrate different systems, such as payment gateways, soci...read more
Answered by AI
Add your answer
Q7. Can DML statements be written in functions
Ans. 
Yes, DML statements can be written in functions.
• Functions can contain DML statements like INSERT, UPDATE, DELETE.

• Functions can also return values based on the DML statements executed.

• However, functions cannot be used to execute DDL statements like CREATE or ALTER.
Answered by AI
Add your answer
Q8. What are triggers in sql
Ans. 
Triggers in SQL are special types of stored procedures that are automatically executed in response to certain events.
• Triggers can be used to enforce business rules or data integrity

• They can be executed before or after an INSERT, UPDATE, or DELETE statement

• Triggers can also be used to audit changes to data

• Examples of triggers include sending an email notification when a new record is inserted or updating a related table
Answered by AI
Add your answer
Q9. How to you fetch a record from table
Ans. 
To fetch a record from a table, use SELECT statement with appropriate conditions.
• Use SELECT statement with appropriate columns and table name

• Add conditions using WHERE clause to filter the record

• Use LIMIT clause to limit the number of records returned

• Example: SELECT * FROM users WHERE id = 1 LIMIT 1
Answered by AI
Add your answer
Q10. Inbuilt methods that follow overriding
Ans. 
Inbuilt methods that follow overriding
• In Java, methods that can be overridden are marked with the 'override' keyword

• The overridden method must have the same name, return type, and parameters as the original method

• The 'super' keyword can be used to call the overridden method from the subclass

• Overriding can be used to provide a different implementation of a method in a subclass
Answered by AI
Add your answer

Q1. There was technical round asked in SQL, MVC, C# question. this was not very hard.
Add your answer

Q1. What is Agile methodoly?
Ans. 
Agile methodology is an iterative approach to software development that emphasizes flexibility and customer satisfaction.
• Agile values individuals and interactions over processes and tools

• It emphasizes working software over comprehensive documentation

• It involves frequent collaboration with customers and stakeholders

• It encourages adapting to changing requirements and feedback

• Examples of Agile methodologies include Scrum,
Answered by AI
Add your answer

Q1. Tell your experience
Add your answer
Q2. Told my projects which i have worked
Add your answer

Q1. Salary package how much
Add your answer