Prolifics Corporation Senior QA Analyst Interview Questions and Answers

Q1. Oops concepts, lots of java
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Q2. In depth about Microservices
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Q3. About why I want to join
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Q1. Asked about Java,spring MVC,code snippets asked foroutput
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Q1. About rest template angular spring boot
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Q1. This round is withmanager about technical
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Q1. Salary discussion with hr policies
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Q1. No round was happened
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Two coding round in Javascript, first one to right CRUD operation in React.

Second one have to right JS for Flattened Array

Q1. Asking about Salary Structure
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Q1. Wat is singleton class, difference bw hashmap and concurrent hashmap
Ans. 
Singleton class is a class that can only have one instance, while HashMap is not thread-safe but ConcurrentHashMap is.
• Singleton class restricts instantiation to one object, ensuring a single instance throughout the application.

• HashMap allows multiple threads to access and modify it concurrently, which can lead to data corruption in a multi-threaded environment.

• ConcurrentHashMap is thread-safe and allows multiple thread...read more
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Q1. Had questions related to data structures
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Q1. Related to work culture and salary related details
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Q1. Finding the second maximum number in the list
Ans. 
To find the second maximum number in a list, sort the list in descending order and return the second element.
• Sort the list in descending order

• Return the second element in the sorted list
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Q1. Loops in Informatica
Ans. 
Loops in Informatica are used to iterate over a set of data or perform repetitive tasks.
• Loops in Informatica can be implemented using the 'Expression' or 'Router' transformations.

• They are useful for processing multiple rows of data in a mapping.

• Common types of loops include 'While' and 'For' loops.

• Loops can help in performing complex data transformations and validations.
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Q1. What is the reason for change
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It was medium level question

Q1. It was regarding react-native
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