Veyron Technologies Quality Assurance Engineer Intern Interview Questions and Answers

Logical reasoning - 20 questions
Java Program - 1 question

Q1. To write a java program to reverse a string?
Ans. 
A Java program to reverse a string involves converting the string to a character array and then swapping characters from both ends.
• Convert the string to a character array using toCharArray() method

• Use two pointers, one starting from the beginning and the other from the end, to swap characters until they meet in the middle

• Finally, convert the character array back to a string using String constructor
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Q2. To sort the array in ascending order
Ans. 
Use a sorting algorithm like bubble sort or quicksort to arrange the strings in ascending order.
• Implement a sorting algorithm like bubble sort or quicksort to rearrange the strings in ascending order.

• Compare each pair of strings and swap them if they are in the wrong order.

• Repeat this process until the array is sorted.

• Example: ['apple', 'banana', 'cherry'] -> ['apple', 'banana', 'cherry']
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