What is the difference between Parameter and Argument in Java?

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Devesh Kumar Singh · Answer

The term parameter refers to any declaration within the parentheses following the method/function name in a method/function declaration or definition.

Whereas, the term argument refers to any expression within the parentheses of a method/function call. i.e.

· Parameter used in function/method definition.

public static int add(int x, int y) { //x, y are parameters here

· Arguments used in function/method call.

int sum = add(x, y); //x, y are arguments here

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What is the difference between Parameter and Argument in Java?

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