Walmart Software QA Engineer Interview Questions and Answers

Q1. Linked List Intersection Point
Ans. 
Find the intersection point of two linked lists.
• Use two pointers to traverse the linked lists

• Calculate the difference in length between the two lists

• Move the pointer of the longer list ahead by the difference

• Move both pointers simultaneously until they meet at the intersection point
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Q2. Basic Spring Boot
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Q3. Stream and Java 8 Questions
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Was easy to crack infact was simple

Involve group of 8 and related to come and pros

Q1. What are software testing techniques
Ans. 
Software testing techniques are methods used to ensure that software applications are functioning correctly and meeting requirements.
• Black box testing: Testing the functionality of a software application without knowing its internal code.

• White box testing: Testing the internal code and structure of a software application.

• Unit testing: Testing individual units or components of a software application.

• Integration testing:...read more
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I like to choose topics java, c, python, html etc

About java, python, c, c++, html and about coding language

Hoe to built skill discussion about problem and how solve it

There was a aptitude test with coding problems

Q1. Basic Puzzles were asked
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Q1. System Design Questions, Situation based problems of system design
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Q2. Data Structure Coding question of HashMap
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Q1. Again System design, Question from your project and architecture of your project
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Q1. React js questions like Dom manipulation, useCallback and useMemo these kind of questions
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Q2. Create some dynamic buttons with a json data and whenever you click on that you need to maintain active and inactive states and also you need to show the content of the button based on the json data whenev...read more
Ans. 
Create dynamic buttons with JSON data, maintain active/inactive states, and show content on click
• Create buttons dynamically using JSON data

• Toggle between active and inactive states on click

• Display button content based on JSON data on click
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Q1. More advanced react based questions like test cases handling and redux state management techniques
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Q2. Prop drilling concepts
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Q1. More about your projects you have worked on and also front end technical basic questions
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Q1. Why Lowe's only
Ans. 
Lowe's is a leading home improvement retailer with a strong focus on technology and innovation.
• Lowe's has a strong reputation for investing in technology and innovation within the home improvement industry.

• I am impressed by Lowe's commitment to digital transformation and their use of cutting-edge tools and technologies.

• I believe Lowe's offers a challenging and rewarding environment for software engineers to grow and de...read more
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Q2. What are your expectations here nd all
Ans. 
I expect a challenging work environment, opportunities for growth, and a supportive team.
• Challenging work that allows me to utilize my skills and learn new technologies

• Opportunities for career advancement and professional development

• A supportive team that fosters collaboration and growth

• Clear communication and expectations from management
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Q1. Questions about JavaScript, different types of DataTypes,
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Q2. Write code to add elements dynamically
Ans. 
Adding elements dynamically to an array in code
• Use push() method to add elements to an array in JavaScript

• In Python, use append() method to add elements to a list

• In Java, use ArrayList and add() method to dynamically add elements
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Q3. What is Hoisting
Ans. 
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope.
• Variable and function declarations are hoisted to the top of their scope during the compilation phase.

• Only the declarations are hoisted, not the initializations.

• Function declarations take precedence over variable declarations when hoisted.
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Q1. Current CTC, Experience
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Q2. What is expected CTC
Ans. 
Expected CTC should be based on industry standards, experience, skills, and location.
• Research industry standards for Software Engineer salaries

• Consider your experience level and skills when determining expected CTC

• Take into account the cost of living in the location of the job

• Negotiate based on the job responsibilities and market demand
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Q1. Java Spring boot, String reverse, git, nginx related
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