Innovaccer Sdet Automation Test Engineer Interview Questions and Answers

Coding test on hackerrank. Solve 30 day code challange on haackerrank and you will be able to clear it.

Frequency array, java collection, missing number

Q1. Software Testing
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Q2. Application based QA questions
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Q1. Software testing, QA and Resume based questions
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Q2. Automation and programming related questions
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Q1. Write Java code to find square root without Math.sqrt()
Ans. 
Use Newton's method to find square root without Math.sqrt() in Java.
• Initialize a variable to store the guess value of square root

• Iterate until the difference between the guess and actual square root is within a desired threshold

• Update the guess value using the formula: guess = (guess + number/guess) / 2
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Q2. Write Java code to add digits of a number until the sum is a single digit
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Java code to add digits of a number until the sum is a single digit
• Create a function that takes an integer as input

• Use a while loop to keep adding the digits until the sum is a single digit

• Convert the number to a string to easily access individual digits
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Q3. Write a Java code to print a particular pattern
Ans. 
Java code to print a particular pattern using loops
• Use nested loops to iterate through rows and columns

• Print specific characters based on the row and column index

• Example: Printing a pyramid pattern
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Q1. Git workflow and xpath. Reverse a string
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Q1. Networking of linux and cloud
Ans. 
Networking of linux and cloud involves configuring network settings, security protocols, and communication between servers and services.
• Configuring network interfaces in Linux using tools like ifconfig or ip command

• Setting up virtual private networks (VPNs) for secure communication between cloud servers

• Implementing firewall rules to control incoming and outgoing network traffic

• Using protocols like SSH, HTTPS, or VPN pr...read more
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Q1. Mainly related to JAVA programming
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Q2. Selenium project reviews
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Q1. Reverse the string
Ans. 
Reverse a given string
• Create a new empty string to store the reversed string

• Iterate through the original string from end to start and append each character to the new string

• Return the reversed string
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Q2. Scenario based questions
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2 Coding questions - medium to hard

Q1. Questions on scalable systems.
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Q2. Medium level DSA questions.
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Q1. Questions on SQL
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Q2. Implement LFU using OOPs concepts from scratch.
Ans. 
Implement LFU cache using OOPs concepts
• Create a class for LFU cache with methods like get, put, and remove

• Use a hashmap to store key-value pairs and a hashmap to store frequency of each key

• Implement a doubly linked list to store keys with the same frequency
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