Motadata Junior Developer Interview Questions and Answers

Simple and Easy aptitude of 90 minutes.

Q1. What is hash function in java?
Ans. 
Hash function in Java is a function that converts an input (or 'key') into a unique numerical value, which is used to index data in hash tables.
• Hash functions are used to quickly retrieve data in hash tables by converting keys into unique numerical values.

• In Java, hash functions are commonly used in HashMap and HashSet to store and retrieve key-value pairs efficiently.

• Examples of hash functions in Java include hashCode...read more
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Q2. How hash fucntion is working in java?
Ans. 
Hash functions in Java are used to convert an input into a fixed-size string of bytes, typically for data retrieval and security purposes.
• Hash functions take an input (or 'key') and return a fixed-size string of bytes, known as the hash value.

• In Java, the hashCode() method is commonly used to generate hash codes for objects.

• Hash functions are used in data structures like HashMap to efficiently store and retrieve key-va
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