Engineer Iii Interview Questions

2,122 engineer iii interview questions shared by candidates

Round 2 - Core Java theory questions - 1. how to make a class immutable? What is the use case? 2. What is the difference between deep copy and shallow copy. 3. how do you declare a singleton class? Write code. 4. Consider below statements - String s1 = "abc" String s2 = new String("abc") String s3 = “abc” what is output of s1==s2 s1==s3 5. set s; s.put(new Student("a", 1)) s.put(new Student("b", 2)) s.put(new Student("a", 1)) what is the size of s 6. how are collisions handled in hashmap? 7. worst case time complexity of inserting element to hashmap 8. using multithreading write program to print output numbers from 1 to 100 even numbers should execute by 1 thread and odd by others. order of numbers 1 - 100 should be maintained
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Software Development Engineer III

Interviewed at Walmart Global Tech

3.6
Mar 25, 2025

Round 2 - Core Java theory questions - 1. how to make a class immutable? What is the use case? 2. What is the difference between deep copy and shallow copy. 3. how do you declare a singleton class? Write code. 4. Consider below statements - String s1 = "abc" String s2 = new String("abc") String s3 = “abc” what is output of s1==s2 s1==s3 5. set s; s.put(new Student("a", 1)) s.put(new Student("b", 2)) s.put(new Student("a", 1)) what is the size of s 6. how are collisions handled in hashmap? 7. worst case time complexity of inserting element to hashmap 8. using multithreading write program to print output numbers from 1 to 100 even numbers should execute by 1 thread and odd by others. order of numbers 1 - 100 should be maintained

If its on your resume, its fair game... Technical interviewers will ask many questions and see depth/breadth of knowledge as well as how you handle multiple issues at once... Complex technical questions will be asked and while you're working out the answer, they'll ask unrelated questions to see how you multi-task
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Technical Support Engineer III

Interviewed at NetApp

3.8
Nov 11, 2014

If its on your resume, its fair game... Technical interviewers will ask many questions and see depth/breadth of knowledge as well as how you handle multiple issues at once... Complex technical questions will be asked and while you're working out the answer, they'll ask unrelated questions to see how you multi-task

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