Altair Engineering Automation Test Engineer Interview Questions and Answers

To find unique characters from a string, we can iterate through the string and store each character in a set to check for uniqueness.

• Iterate through the string and store each character in a set

• Check if the character already exists in the set, if not add it

• Return the set of unique characters

Find the second largest element in an array of strings.

• Convert the strings to integers for comparison.

• Sort the array in descending order.

• Return the second element in the sorted array.

Count the occurrences of consecutive characters in a given string.

• Iterate through the string and compare each character with the next one

• Keep track of the count when consecutive characters are found

• Store the consecutive characters and their counts in an array of strings