Infosys Interview Questions, Process, and Tips

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Basic maths questions learned up to 10
Basic Apptitude questions

Q1. Tell me about your self Hi My name is Vikram Adithya I am an hard working and passionate engineering student currently perceiveing in gokaraju rangaraju institute of engineering and technology .I stay with...read more
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Q2. Intervier asked about what kind of problems did you solved in leetcode? I said palindrome factorial matrix multiplication etc . Intervier said every one can solve this
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Q3. He asked me about my project role i said I have done documentation in my project he said every one can do that
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Q4. He asked me to write project code
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Q5. He asked me any questions
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Q1. What is the difference between a development dependency and a regular dependency in software development?
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Development dependencies are needed for development and testing, while regular dependencies are needed for the application to run.
• Development dependencies are used during the development process, such as testing frameworks or build tools.

• Regular dependencies are required for the application to function properly in production.

• Development dependencies are typically listed in the devDependencies section of package.json, w...read more
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Q2. What do the symbols ^ and ~ represent in the package.json file?
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Symbols ^ and ~ in package.json represent version ranges for dependencies.
• The symbol ^ represents a range that allows minor version updates.

• The symbol ~ represents a range that allows only patch updates.

• For example, ^1.2.3 allows any version from 1.2.3 to <2.0.0, while ~1.2.3 allows any version from 1.2.3 to <1.3.0.
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Q3. How can a 404 page be handled in React routing?
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404 page can be handled in React routing by creating a Route component with a path of '*' at the end of all other routes.
• Create a Route component with a path of '*' at the end of all other routes in the Switch component.

• Inside the '*' Route component, render a custom 404 page component.

• Use the Switch component to ensure that only one Route is rendered at a time.
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Q4. Some Javascript coding questions.
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Q5. What is the component lifecycle in functional components?
Ans. 
Component lifecycle in functional components involves useEffect hook for side effects.
• Functional components use useEffect hook to handle side effects like fetching data, subscribing to events, etc.

• useEffect hook can be used to mimic componentDidMount, componentDidUpdate, and componentWillUnmount lifecycle methods.

• useEffect hook takes a callback function as its first argument and an optional array of dependencies as its...read more
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Q6. Explain redux data flow
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Redux data flow is a unidirectional flow of data in React applications using a centralized store.
• Actions are dispatched to the store

• Reducers update the state based on the action

• Components subscribe to the store to access the updated state
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Q1. Create one Spring boot controller from end to end. No need to create a spring boot project we just want to see the structure and end to end implementation.
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Q2. Write a java 8 program to get the characters from a string whose count is 2 or more than 2 e.g. input: baseball , output: b, a, l.
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Q3. Why you left your previous organization.
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Q4. What is the functional interface
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Q5. What are the OOPS concepts. and some questions related to inheritance.
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Q6. Asked about the project mentioned in CV (Client project) and asked its architecture.
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Q7. Various SQL join types
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Q1. Are you ready to relocate to job location
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Q2. Why are you leaving your previous organization.
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Q3. Expectation about salary
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Q1. Sap bw consultant
Ans. 
Based on requirement identified data source replicated into BW and if required made some enhancements. Knowledge on customized Data Sources using ABAP CDS Views and Data
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Q2. Sap bw4hana
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Knowledge on customized Data Sources using ABAP CDS Views and Data sources enhancements in different areas like SAP SD and FICO
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Q1. Sap abap consultant
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Knowledge on SAP ABAP CDS Views, Extended CDS View, Applied annotations based on requirement, arithmetic functions, case statements and where conditions
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Q2. Sap abap cds
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Q1. Abap enhancement is in just basic
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Q2. S4h
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About ourself and what about me

Q1. Can you explain the Maven build lifecycle?
Ans. 
Maven build lifecycle consists of phases like compile, test, package, install, deploy.
• Maven build lifecycle consists of three main phases: clean, default, and site.

• Each phase consists of a series of goals that are executed in a specific order.

• Some common goals in Maven build lifecycle include compile, test, package, install, and deploy.

• The clean phase removes all files generated by the previous build.

• The default phase ...read more
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Q2. What is the code to reverse a sentence?
Ans. 
Code to reverse a sentence using array of strings.
• Split the sentence into an array of words

• Reverse the array

• Join the array back into a sentence
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Q3. What is static block in java?
Ans. 
Static block in Java is a block of code that is executed only once when the class is loaded.
• Static block is used to initialize static variables of a class.

• It is executed before the main method.

• Syntax: static { // code to be executed }

• Example: static { System.out.println("Static block executed"); }
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Q4. What is exclude and include in TestNG?
Ans. 
Exclude and include in TestNG are used to specify which test methods to run or skip during test execution.
• Exclude attribute is used to specify which test methods to skip during test execution

• Include attribute is used to specify which test methods to run during test execution

• Both attributes can be used in the testng.xml file or in the @Test annotation

• Example: @Test(groups = {"smoke"}, excludeGroups = {"regression"})
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Q5. What is code for reverse a digit?
Ans. 
To reverse a digit, convert it to a string and then reverse the string.
• Convert the digit to a string

• Use built-in functions to reverse the string

• Convert the reversed string back to a digit if needed
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