Infosys Interview Questions, Process, and Tips

Q1. What is the Function of Object?
Ans. 
The function of an object is to store data and behavior related to a specific entity in a program.
• Objects store data in the form of properties

• Objects can have methods which define behavior

• Objects can be used to model real-world entities like cars, employees, etc.

• Objects can be instantiated from classes or created dynamically
Answered by AI
Add your answer
Q2. Difference between procedure and function?
Ans. 
Procedure is a set of instructions that performs a specific task, while function returns a value.
• Procedure does not return a value, while function does.

• Functions can be called from within SQL statements, while procedures cannot.

• Functions can be used in SELECT, WHERE, and HAVING clauses, while procedures cannot.

• Example: CREATE PROCEDURE myProcedure AS ... vs CREATE FUNCTION myFunction() RETURNS ...

• Example: EXECUTE myPro
Answered by AI
Add your answer
Q3. What is Aggregate function?
Ans. 
Aggregate functions perform a calculation on a set of values and return a single value.
• Aggregate functions include functions like SUM, AVG, COUNT, MIN, and MAX.

• They are commonly used in SQL queries to perform calculations on groups of rows.

• For example, you can use the SUM function to calculate the total sales amount for a group of products.
Answered by AI
Add your answer
Q4. What is readonly?
Ans. 
readonly keyword is used in C# to declare that a field can only be assigned a value during initialization or in a constructor.
• readonly keyword can only be used on fields, not properties.

• The value of a readonly field can only be changed in the constructor of the class.

• Using readonly fields can help ensure that certain values remain constant throughout the lifetime of an object.
Answered by AI
Add your answer

Q1. What are different types of Adapaters
Ans. 
Adapters are devices that allow different types of connectors or interfaces to be connected together.
• There are various types of adapters such as USB adapters, HDMI adapters, power adapters, etc.

• Adapters can also include converters that change the signal type or format, such as VGA to HDMI adapters.

• Some adapters are specific to certain devices or brands, like Apple Lightning to 3.5mm headphone jack adapters.

• Adapters can...read more
Answered by AI
Add your answer
Q2. SQL different operations used
Ans. 
SQL operations include SELECT, INSERT, UPDATE, DELETE, JOIN, and more.
• SELECT: Retrieve data from a database

• INSERT: Add new records to a table

• UPDATE: Modify existing records in a table

• DELETE: Remove records from a table

• JOIN: Combine rows from two or more tables based on a related column
Answered by AI
Add your answer

Q1. Angular 17 new featues
Add your answer
Q2. Singals in angular
Ans. 
Signals in Angular are used to communicate between components or services.
• Signals in Angular are typically implemented using Observables or Subjects.

• They allow components to subscribe to changes and react accordingly.

• Signals can be used to pass data, trigger actions, or handle events.

• Example: Using a Subject to emit a signal when a button is clicked.
Answered by AI
Add your answer
Q3. Structural directives in angular
Ans. 
Structural directives in Angular are used to modify the DOM layout by adding, removing, or manipulating elements based on conditions.
• Structural directives are preceded by an asterisk (*) in Angular templates.

• Common structural directives include *ngIf, *ngFor, and *ngSwitch.

• They allow developers to conditionally render or remove elements from the DOM.

• Example:

  Content
Answered by AI
Add your answer

Q1. Self introduction
Add your answer

In the first round, multiple-choice questions based on aptitude are administered.

Q1. Java Core concepts
Add your answer
Q2. Mysql basics
Add your answer

Q1. Scenario based question to send large file from API and have better performance.
Add your answer

Q1. Determinations procedures
Ans. 
Determination procedures in SAP SD are used to determine certain values automatically based on predefined rules.
• Determination procedures are used to automatically determine values such as pricing, taxes, and shipping conditions in SAP SD.

• These procedures are configured using condition techniques and access sequences.

• Examples include determining the pricing for a product based on customer group or region, or calculating...read more
Answered by AI
Add your answer
Q2. Scenario based questions
Add your answer
Q3. Pricing determinations
Add your answer
Q4. Special business process
Add your answer