Viavi Solutions Software Development Engineer Interview Questions and Answers

Q1. OOPS concepts in java
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Q2. What the interface
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Q3. What is advantageof java
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Q4. What is differentjava and xlc++
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Q1. Find nth elements from last in linked list
Ans. 
Use two pointers to find the nth element from the end of a linked list.
• Use two pointers, one moving n steps ahead of the other

• When the first pointer reaches the end, the second pointer will be at the nth element from the end
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Q2. Difference between hashmap and concurrent hashmap
Ans. 
HashMap is not thread-safe while ConcurrentHashMap is thread-safe and allows concurrent access.
• HashMap is not thread-safe and can lead to ConcurrentModificationException if accessed by multiple threads simultaneously.

• ConcurrentHashMap allows concurrent access by multiple threads without the need for external synchronization.

• ConcurrentHashMap achieves thread-safety by dividing the map into segments, allowing multiple th...read more
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Queue question - create queue from array

Q1. Working structure preference
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Q2. Salary preference
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Q3. No more questions
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Normal aptitude questions

Coding MCQ's like code snippets and find the output

Q1. Technical with two coding questions
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Q2. Linked list question
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Team work - how to participate, foster etc.

Q1. Ambition and how to work towards it
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Q2. How to function in a team
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Q1. About coding and all oops concept SQL, unix
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Q2. Unix, sql, language and oops concepts questions
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Overivew of the previous company project, and question about the system design ex LRUCache system and IRCTC DB design

2nd Round -
Basic Interview, Mostly system Design Question.