What is recursion Diff b/w java and c++ What is oops Primary key and foreign key

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Accepted Answer

Recursion, Java vs C++, OOPs, Primary and Foreign Keys

Recursion is a process where a function calls itself until a base condition is met
Java and C++ are both object-oriented programming languages, but Java is platform-independent while C++ is not
OOPs is a programming paradigm that uses objects to represent real-world entities and their interactions
Primary key is a unique identifier for a record in a database table, while foreign key is a reference to a primary key in another table