Sony Unity Developer Interview Questions and Answers

Q1. What are services
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Q2. Difference between java and kotlin
Ans. 
Kotlin is a modern programming language that is fully interoperable with Java, offering concise syntax and enhanced features.
• Kotlin is more concise than Java, reducing boilerplate code.

• Kotlin has null safety features, reducing NullPointerException errors.

• Kotlin supports extension functions and properties, allowing developers to add new functionality to existing classes.

• Kotlin has coroutines for asynchronous programming...read more
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DSA Based - Graph, Trees

Q1. Trie Implementation
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Trie is a tree data structure used for efficient retrieval of key-value pairs.
• Trie is also known as prefix tree.

• Each node in a trie represents a single character of a key.

• Trie is commonly used in autocomplete and spell checking algorithms.

• Example: Inserting 'apple' and 'app' into a trie would result in a structure where 'app' is a prefix of 'apple'.
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Q2. LRU Implementation
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LRU (Least Recently Used) is a cache eviction policy that removes the least recently used items first.
• LRU cache stores key-value pairs with a maximum capacity.

• When the cache is full, the least recently used item is removed to make space for new items.

• Each time a key is accessed, it is moved to the front of the cache to indicate it was recently used.
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