Helm360 QA Engineer Interview Questions and Answers

Q1. Write a program to reverse a string
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Q1. Selenium vs cypress
Ans. 
Selenium is a widely used open-source tool for web automation testing, while Cypress is a newer tool known for its fast and reliable testing capabilities.
• Selenium is more established and has a larger community support

• Cypress is known for its fast test execution times

• Cypress has built-in support for modern web technologies like React and Angular

• Selenium supports multiple programming languages like Java, Python, and C#

• Cy...read more
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Q2. How do you install cypress
Ans. 
Cypress can be installed using npm package manager.
• Install Node.js if not already installed

• Open terminal and run 'npm install cypress'

• Once installation is complete, run 'npx cypress open' to open Cypress Test Runner
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Q3. Reverse a string in Javascript
Ans. 
Reverse a string in Javascript
• Use the split() method to convert the string into an array of characters

• Use the reverse() method to reverse the order of the characters

• Use the join() method to convert the array back into a string
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Q1. Constructor design
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Q2. Xpath locators page object model
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Q1. WAP to run same test case 100 times
Ans. 
Write a program to run the same test case 100 times
• Use a loop to iterate 100 times

• Call the test case function inside the loop

• Track the results of each iteration if needed
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Q2. WAP to get duplicate char count
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A program to count the number of duplicate characters in an array of strings.
• Iterate through each string in the array

• For each string, iterate through each character and count the occurrences

• Store the count of each character in a map or dictionary

• Return the characters with count greater than 1
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Q1. Questions on object oriented programming concepts in java
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Q2. How to handle multiple windowns in selenium
Ans. 
Handling multiple windows in Selenium involves switching between windows and performing actions on each window.
• Use getWindowHandles() to get all window handles

• Switch to a specific window using switchTo().window(handle)

• Perform actions on the window

• Switch back to the original window if needed
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Complex aptitude Test

Q1. Test estimation techniques
Ans. 
Test estimation techniques involve various methods to predict the time and resources needed for testing activities.
• Use historical data from previous projects to estimate testing effort

• Break down the project into smaller tasks and estimate each task individually

• Use expert judgment from experienced QA engineers to provide input on estimation

• Consider complexity, risks, and dependencies when estimating testing effort
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Q2. Equals to vs ==
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Prepare all topics 40 mcq

Q1. Basic question on SQL and java
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Q2. How to remove duplicate data
Ans. 
To remove duplicate data, use data structures like sets or hashmaps to store unique values.
• Use a set to store unique values and then convert it back to an array

• Iterate through the array and check if the value already exists in the set before adding it

• Use a hashmap to store values as keys and their occurrences as values, then filter out values with occurrences greater than 1
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Q3. Get current date
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Q4. Get second salary
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Q1. Normal questions
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Q1. Explain your framework
Ans. 
My framework is a data-driven automation framework using Selenium and TestNG.
• Utilizes Selenium for web automation

• Uses TestNG for test case management and execution

• Data-driven approach for test data separation

• Supports parallel execution for faster testing

• Includes reporting tools like ExtentReports for detailed test results
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Q2. Explain oops concept
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OOPs concept is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOPs stands for Object-Oriented Programming

• Key concepts include classes, objects, inheritance, polymorphism, and encapsulation

• Classes are blueprints for objects, defining their properties and behaviors

• Objects are instances of classes, representing real-world entities

• Inh...read more
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