HCLTech Interview Questions, Process, and Tips

Q1. What is the product life cycle?
Ans. 
The product life cycle is the stages a product goes through from introduction to withdrawal from the market.
• Introduction stage - product is launched and promoted

• Growth stage - sales and market share increase

• Maturity stage - sales peak and competition intensifies

• Decline stage - sales decrease and product may be discontinued

• Examples: iPhone (introduction), Coca-Cola (maturity), Blackberry (decline)
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Q2. Conpt to end of the life cycle
Ans. 
End-to-end life cycle management involves overseeing a project from conception to completion.
• Understand project requirements and goals

• Create a detailed project plan

• Assign tasks and responsibilities to team members

• Monitor progress and make adjustments as needed

• Ensure project is delivered on time and within budget
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Q1. Covered all html css js and React topics
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Covered all html css js and React topics with real time scenarios and what we will do in given situations

Q1. What is Singleton design patterns and how to implement?
Ans. 
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
• Ensure a class has only one instance by providing a global access point to it

• Use a private constructor to restrict instantiation of the class

• Provide a static method to access the instance of the class
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Q2. Dependency Injection
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Q3. What is extension method and write the code.
Ans. 
Extension methods allow adding new methods to existing types without modifying the original type.
• Extension methods must be defined in a static class.

• The first parameter of an extension method specifies the type being extended and is preceded by the 'this' keyword.

• Extension methods can be called as if they were instance methods of the extended type.
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Q1. Life cycle hooks in angular
Ans. 
Life cycle hooks in Angular are functions that are called at specific points in the component's life cycle.
• ngOnChanges: Called when an input property changes

• ngOnInit: Called once the component is initialized

• ngOnDestroy: Called before the component is destroyed
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Q2. How to send data from child to parent component
Ans. 
Use event emitters or callback functions to send data from child to parent component in Angular
• Use @Output decorator in Angular to create custom events in child component and emit data to parent component

• Pass a function as a prop from parent to child component, which child can call to send data back to parent

• Use services to share data between components in Angular
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Q1. What is the goal of this year
Ans. 
The goal of this year is to enhance my skills in full stack .NET development and contribute to impactful projects.
• Enhance skills in full stack .NET development through continuous learning and practice

• Contribute to impactful projects by delivering high-quality code and solutions

• Collaborate with team members to achieve project goals and deadlines
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Q1. Self introduction
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Q2. Projects done in training
Ans. 
I have completed multiple projects during my training in SAP ABAP.
• Developed a custom report to track sales data for a retail client

• Enhanced existing programs to improve performance and functionality

• Worked on a team project to integrate SAP modules for a manufacturing company
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Q3. Bdc concepts call transaction and session method
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Q4. Asked Select query
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Q5. Asked about Itab and how to declare it
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Q6. Asked about smart forms and it's stpes
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Q7. Asked about Domain and Data element
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Q8. Asked about Bapi
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Q9. Asked about Idoc
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Q10. Material creation and types of bapi
Ans. 
Material creation in SAP involves using BAPIs for different types of materials.
• BAPI_MATERIAL_SAVEDATA can be used for creating materials in SAP

• Different types of materials include raw materials, semi-finished goods, finished goods, etc.

• BAPI_MATERIAL_GET_ALL can be used to retrieve information about all materials in SAP
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Q11. About my previous profession
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Q1. Self introduction
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Q2. Technical settings
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Q3. Asked about data class
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Q4. Module pool programming steps
Ans. 
Module pool programming is a technique in SAP ABAP for creating interactive user interfaces.
• Define screen elements using Screen Painter

• Write ABAP code for screen logic and flow control

• Handle user input and trigger actions based on user interactions

• Use function modules for backend processing

• Implement navigation between screens
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Q5. Asked about IDOC
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Q6. Asked about Enhancements
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Q7. What is function module and where we use it?
Ans. 
Function module is a reusable subroutine in SAP ABAP used for specific functionality.
• Function modules are standalone functions that can be called from any ABAP program.

• They are used to encapsulate specific business logic or calculations.

• Function modules can be called remotely from other systems using Remote Function Call (RFC).

• Examples include function modules for currency conversion, date calculations, or data validat
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Q8. How to change input parameters in reports
Ans. 
Input parameters in reports can be changed by modifying the selection screen fields in the ABAP program.
• Modify the selection screen fields in the ABAP program to change input parameters

• Use PARAMETERS or SELECT-OPTIONS statements to define input fields

• Update the logic in the report program to process the new input parameters
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Q9. Smart forms vs sap scripts
Ans. 
Smart forms are newer and more advanced than SAP scripts.
• Smart forms are newer technology compared to SAP scripts.

• Smart forms offer more features and flexibility in designing forms.

• Smart forms are easier to maintain and modify compared to SAP scripts.

• Smart forms support interactive forms and digital signatures.

• SAP scripts are older technology and are being phased out in favor of smart forms.
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Q10. Search help types
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Q1. About joins and sql and python
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Q2. About data analysis , model building
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Q1. WHAT IS sage FRONT END PROGRAMMING LANGUAGE
Ans. 
Sage is not a front end programming language. It is a popular accounting software.
• Sage is an accounting software used by businesses for financial management.

• It is not a programming language, but rather a software application.

• Front end programming languages include HTML, CSS, and JavaScript.

• Sage may have APIs that allow integration with front end technologies.
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Q2. WHAT ARE THE REGULAR COMPLAINS USERS GET ON SAGE
Ans. 
Users commonly complain about slow performance, errors during updates, and difficulty in customization on Sage.
• Slow performance when running reports or processing large amounts of data

• Errors encountered during software updates or installations

• Difficulty in customizing the software to meet specific business needs

• Issues with integration with other software applications

• Lack of user-friendly interface leading to confusion
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