Virtusa Consulting Services Associate Java Developer Interview Questions and Answers

ArrayList is resizable array implementation, LinkedList is doubly linked list implementation.

• ArrayList uses dynamic array to store elements, LinkedList uses doubly linked list

• ArrayList is faster for accessing elements by index, LinkedList is faster for adding/removing elements

• Example: ArrayList<Integer> arrList = new ArrayList<>(); LinkedList<String> linkedList = new LinkedList<>();

A program to reverse a given string in Java.

• Create a char array from the input string.

• Use two pointers to swap characters from start and end of the array.

• Convert the char array back to a string and return.

During lockdown, my college syllabus was completed through online classes and self-study.

• Online classes were conducted through video conferencing platforms like Zoom or Google Meet.

• Assignments and exams were taken online using tools like Google Classroom or Moodle.

• Self-study involved reading textbooks, watching online tutorials, and practicing coding exercises.

• Regular communication with professors and classmates throug...read more

Yes, I am open to different locations for work.

• I am willing to relocate for the right opportunity

• I am open to working in different cities or countries

• I understand that some positions may require travel or relocation