Quality Assurance Engineer Intern Interview Questions and Answers for Freshers

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

Test cases for a chair include stability, comfort, durability, and aesthetics.

• Test stability by applying pressure from different angles

• Test comfort by sitting for extended periods of time

• Test durability by applying weight and stress to different parts

• Test aesthetics by evaluating design and finish

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']