A function in Java is a way to organize your code and make it easier to create, maintain, and reuse lines of code. All functions have a name, are passed zero or more pieces of information and usually return a value. The function call is the name of the function you want to call followed by parenthesis. Passing arguments is grouping two or more arguments into a function. The return keyword is what stops the function from continuing to repeat itself and returns the specified value to the user.
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