Alstom Transportation Senior Executive Interview Questions and Answers

Sort an array of strings

• Use a sorting algorithm like bubble sort, insertion sort, or quicksort

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

• Repeat the process until the array is sorted

Reverse an array of custom objects

• Use a loop to iterate through half of the array and swap the elements at corresponding positions

• Start with two pointers, one at the beginning and one at the end, and swap the elements until they meet in the middle

• If the custom object has a 'reverse' method, you can use it to reverse the array