Google Sdet Technical Lead Interview Questions and Answers

It was on hackerrank(OA). There were two string and array based medium question.(Part of Blind 75 list)

Q1. Write selenium code for getting values in a dynamic table
Ans. 
Use Selenium to extract values from a dynamic table
• Identify the table using its locator (id, class, xpath, etc.)

• Iterate through the rows and columns of the table to extract values

• Use Selenium commands like findElements and getText to retrieve the values

• Handle dynamic content by waiting for elements to be present or visible
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Q1. Java union of arrays
Ans. 
To find the union of two arrays in Java, use a HashSet to store unique elements from both arrays.
• Create two arrays of strings.

• Convert arrays to HashSet to remove duplicates.

• Combine both HashSets to get the union of arrays.
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Q1. Regular Expressions related
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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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Aptitude and coding question were asked

Q1. Question related to your project
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Frequency array, java collection, missing number

Logical questions were asked

Optimal solution expected