Cogniwize QA Engineer Interview Questions and Answers

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
Ans. 
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. Explain Framework
Ans. 
Framework is a structured set of guidelines, libraries, and tools used to develop software applications.
• Framework provides a foundation for developers to build upon

• It includes pre-written code, libraries, and APIs

• Frameworks help in organizing code and promoting best practices

• Examples: Selenium for automated testing, Angular for web development
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Q2. Git flow and conflict resolution
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Q3. WAP to find the odd numbers from given array using collection
Ans. 
Program to find odd numbers from array using collection
• Create a list to store odd numbers

• Iterate through the array and check if each element is odd

• Add odd numbers to the list

• Return the list of odd numbers
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Q4. How to locate a link and perform click on all the links
Ans. 
Locate and click on links using Selenium WebDriver
• Use Selenium WebDriver to locate elements on the webpage

• Identify the links using locators like ID, class name, xpath, etc.

• Iterate through the list of links and perform a click action on each link
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Q1. Introduced yourself in details
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Q2. Asked me about selenium framework, Basic questions on selenium
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Remove duplicates from a given string?

Q1. Salary demands?
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Q2. Strengths and Weakness?
Ans. 
My strength is attention to detail and problem-solving skills. My weakness is sometimes being too critical of my own work.
• Strength: Attention to detail - I always ensure that every aspect of the project is thoroughly checked and accurate.

• Strength: Problem-solving skills - I enjoy tackling complex issues and finding effective solutions.

• Weakness: Being too critical of my own work - I strive for perfection which can somet
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Q1. SQL query with join
Ans. 
SQL query with join
• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table in the SELECT statement

• Use ON keyword to specify the join condition
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Q1. SQL query with join
Ans. 
SQL query with join
• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table

• Use ON keyword to specify the join condition
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Q1. HR Round for Company review & offer
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Aptitude Reasoning more practice need for this

Data structures main and good understanding and problem solving

Q1. About data structures
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Q2. Basic coding questions
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Q1. Write a program for prime number.
Ans. 
Program to check if a number is prime or not.
• Create a function to check if a number is prime by iterating from 2 to the square root of the number.

• If the number is divisible by any number in that range, it is not prime.

• Return true if the number is prime, false otherwise.
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Q2. What is polymorphism and overriding in Java?
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data. Overriding is when a subclass provides a specific implementation of a method that is already provided by its superclass.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• Overriding occurs when a subclass provides a specific implementation of a method that is already provided b...read more
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Q1. How much salary do you expect?
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