Question

what is function in java...​

Answer 1

Every Java method has to be within a class.

Static methods belong to a class while non-static methods belong to objects.

All parameters to functions are passed by value, primitives content is copied, while objects are not copied and some would say 'passed by reference'

Explanation:

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Answer 2

$\underline{\bf\red{Answer:-}}$

A function is a piece which performs the operations and sometimes a value.A method is a function that is part of a class that can perform operations on data of this class.In the Java language,the entire program consists only of classes and functions can be described only inside them.