What are the advantages of object oriented programming language like java?

Question

I want to know to know the advantages of (OOP) like Java.
Friends let's discuss.
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Answer 1

Thank you friends for your answers.

Answer 2

code can be used many times as you want for example a filemanager object can be instancied wherever in your code since you include the header file, and you don't need to write the same code many times in different parts of your project.

Answer 3

Scroll down. That topic came up twice twice before.