RingCentral Sdet 2 Interview Questions and Answers

Was easy, basic fundamentals

Q1. Asked questions on resume and DevOps and basic array questions
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Q1. Asked questions regarding projects and dsa
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Q1. Managerial round
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Q1. Java oops concept Selenium all concepts like where we use action class how handle drop-down how to handle alert and windows pop It's all good experience with interviewer
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Q2. Oops concept java selenium
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Q1. They asked about Manual testing They asked about jira they asked about project details some scenario based questions all over experience is good interviewer also very friendly
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Q1. They ask about project they told their work what amdocs products what is amdocs company culture experience was very good manager is also very friendly nature they will co-operate
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Q1. Here they asked about salary disscusion
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Q2. What is expected CTC What amdocs n all hr common questions totaly it was very good experience with all members who can took the interview
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It was on hackerrank(OA). There were two string and array based medium question.(Part of Blind 75 list)

General aptitude and out put realted questions

Face to face dsa and string manipulations

Frequency array, java collection, missing number

Q1. What is unit testing
Ans. 
Unit testing is a software testing method where individual units or components of a software are tested in isolation.
• Unit testing helps in identifying bugs early in the development process

• It ensures that each unit of code is working as expected

• Unit tests are usually automated and run frequently during development

• Examples of unit testing frameworks include JUnit for Java, NUnit for .NET, and pytest for Python
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Q2. How do you perform unit testing
Ans. 
Unit testing is performed by writing test cases for individual units or components of the software to ensure they work as expected.
• Write test cases for each unit or component of the software

• Execute the test cases to verify the functionality of the unit

• Check for expected outcomes and compare with actual results

• Use testing frameworks like JUnit, NUnit, or PyTest

• Automate unit tests to run them regularly during development
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Q3. Which tool you have used to perform unit testing please elaborate
Ans. 
I have used JUnit for performing unit testing in Java projects.
• JUnit is a popular unit testing framework for Java

• It provides annotations like @Test to define test methods

• JUnit assertions like assertEquals are used to verify expected results
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Q1. What is React Context?
Ans. 
React Context is a feature in React that allows data to be passed down the component tree without having to pass props manually.
• Context provides a way to share values like themes, user data, etc. across the component tree.

• It avoids prop drilling, where props are passed down multiple levels to reach a component that needs them.

• Context consists of two parts: a Provider component that provides the data and a Consumer comp...read more
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Q2. What is meant by closure in javascript?
Ans. 
Closure is a function that has access to its parent scope, even after the parent function has closed.
• Closure is created when a function is defined inside another function.

• The inner function has access to the outer function's variables and parameters.

• The outer function returns the inner function, which can be called later with the parent scope still accessible.

• Closures are used for data privacy, event handlers, and call
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Q3. What are the complicated tasks you've done exceeding everyone's expectation?
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Q4. Algorithm to convert roman numeral to numbers?
Ans. 
Algorithm to convert roman numeral to numbers
• Create a dictionary to map roman numerals to their corresponding values

• Iterate through the roman numeral string from right to left

• If the current value is less than the previous value, subtract it from the total

• If the current value is greater than or equal to the previous value, add it to the total

• Return the total
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Q1. What is React context?
Ans. 
React context is a way to pass data through the component tree without having to pass props down manually at every level.
• Context provides a way to share values like a theme or user data across the component tree.

• It avoids prop drilling and makes the code cleaner and more maintainable.

• Context consists of two parts: a Provider component that provides the data and a Consumer component that consumes the data.

• Context can be...read more
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Q2. What is abstract class in javascript?
Ans. 
There is no abstract class in JavaScript.
• JavaScript does not have a built-in abstract class concept.

• However, it is possible to create abstract classes using functions and prototypes.

• Abstract classes are used as blueprints for other classes to inherit from.

• They cannot be instantiated on their own and must be extended by a subclass.

• Abstract methods can be defined in the abstract class and must be implemented in the subcl
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Q3. What is meant by function overloading and function overriding?
Ans. 
Function overloading is when multiple functions have the same name but different parameters. Function overriding is when a subclass provides its own implementation of a method that is already present in the parent class.
• Function overloading is used to provide multiple ways to call a function with different parameters.

• Function overriding is used to provide a specific implementation of a method in a subclass.

• Function ove...read more
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Q4. Implement counter in react app
Ans. 
Implement a counter in a React app
• Create a state variable to hold the count

• Render the count in the UI

• Add buttons to increment and decrement the count

• Update the state variable on button click
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