NICE Sdet Lead Interview Questions and Answers

Codility test. Data structure and algos

Q1. Greedy algrithm
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Q2. Sorting an array
Ans. 
Sorting an array of strings
• Use built-in sorting functions like sort() in most programming languages

• Consider the case sensitivity of the strings when sorting

• You can customize the sorting order by providing a comparison function
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Q1. Tell me about yourself
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I am a dedicated SDET with a passion for automation testing and ensuring software quality.
• Experienced in creating and executing automated test scripts using tools like Selenium and JUnit

• Proficient in programming languages such as Java and Python

• Skilled in identifying and reporting software defects

• Strong understanding of software development lifecycle and agile methodologies
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Q2. Why you want to join autodesk
Ans. 
I want to join Autodesk because of its innovative technology and global impact in the design industry.
• Autodesk is a leader in providing cutting-edge software solutions for design and engineering professionals

• I am excited about the opportunity to work on challenging projects and contribute to the company's success

• I admire Autodesk's commitment to sustainability and diversity in the workplace
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Q1. Work experinece
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Q2. Behavioral Questions
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Q3. Scenario based questions
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Q1. Javascript basic difference between var let.
Ans. 
var is function scoped, let is block scoped in JavaScript.
• var is function scoped, let is block scoped

• var can be redeclared, let cannot be redeclared

• let is recommended for use over var in modern JavaScript
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Q2. OOPS concept of java
Ans. 
OOPS concept of Java refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the implementation detail
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How you handle a difficult situation

General apptitude and 2 easy coding questions.

Q1. What polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Animal class with methods eat() and sleep(). Dog and Cat classes can override these methods to have t
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Q2. What is virtualization
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Virtualization is the process of creating a virtual version of a device or resource, such as a server, storage device, network or operating system.
• Virtualization allows multiple virtual instances to run on a single physical machine

• It helps in optimizing resources and increasing efficiency

• Examples include VMware, VirtualBox, and Hyper-V
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Q1. How will you Handle/ Locate Dynamic Web Elements in a Web Table?
Ans. 
To handle dynamic web elements in a web table, I will use techniques like XPath, CSS selectors, and dynamic element identification.
• Use XPath to locate elements based on their attributes or position in the DOM

• Utilize CSS selectors to target specific elements based on their styling

• Implement dynamic element identification techniques to handle elements that change on page reloads or updates
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Q2. Find Missing numbers from an Integer Array
Ans. 
Find missing numbers in an integer array
• Iterate through the array and keep track of seen numbers

• Compare the seen numbers with a range of expected numbers to find missing ones

• Handle edge cases like duplicates or negative numbers

• Example: Array [1, 2, 4, 6] should return missing numbers 3 and 5
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General aptitude and out put realted questions

Face to face dsa and string manipulations

Q1. Write a java program to convert the first letter of each word in upper case
Ans. 
Java program to convert first letter of each word to upper case
• Split the input string into an array of words

• Iterate through each word and capitalize the first letter

• Join the words back together into a single string
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Q2. Write a java program to remove the duplicate characters from a string
Ans. 
Java program to remove duplicate characters from a string
• Create a HashSet to store unique characters

• Iterate through the string and add each character to the HashSet

• Construct a new string by appending characters from the HashSet
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Q1. Git workflow and xpath. Reverse a string
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