What is java? What is oops? Difference between hashmap and hashset

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Java is a high-level programming language known for its portability and object-oriented programming support. OOPs stands for Object-Oriented Programming. HashMap and HashSet are both data structures in Java, but HashMap is used to store key-value pairs while HashSet is used to store unique elements.

Java is a high-level programming language used for developing applications and software.
OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
HashMap is a data structure that stores key-value pairs, allowing fast retrieval of values based on keys.
HashSet is a data structure that stores unique elements, ensuring that no duplicates are allowed.

What is java? What is oops? Difference between hashmap and hashset

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