Difference between arguments and parameters in Java

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Possible Duplicate    What  39 s the difference between an argument and a parameter        I was going through some interview questions  I wasn t able to come up with a solid answer to this question    Difference between arguments and parameters in Java  How are they different

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They are not  They re exactly the same   However  some people say that parameters are placeholders in method signatures   public void doMethod String s  int i             String s and int i are sometimes said to be parameters  The arguments are the actual values references   myClassReference doMethod  someString   25      someString  and 25 are sometimes said to be the arguments

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There are different points of view  One is they are the same  But in practice  we need to differentiate formal parameters  declarations in the method s header  and actual parameters  values passed at the point of invocation   While phrases  formal parameter  and  actual parameter  are common   formal argument  and  actual argument  are not used  This is because  argument  is used mainly to denote  actual parameter   As a result  some people insist that  parameter  can denote only  formal parameter

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Generally a parameter is what appears in the definition of the method  An argument is the instance passed to the method during runtime   You can see a description here  http   en wikipedia org wiki Parameter  computer programming  Parameters and arguments

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The term parameter refers to any declaration within the parentheses following the method function name in a method function declaration or definition  the term argument refers to any expression within the parentheses of a method function call  i e    parameter used in function method definition    arguments used in function method call    Please have a look at the below example for better understanding   package com stackoverflow works   public class ArithmeticOperations        public static int add int x  int y      x  y are parameters here         return x   y             public static void main String   args            int x   10          int y   20          int sum   add x  y     x  y are arguments here         System out println  SUM IS     sum              Thank you

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In java  there are two types of parameters  implicit parameters and explicit parameters   Explicit parameters are the arguments passed into a method   The implicit parameter of a method is the instance that the method is called from   Arguments are simply one of the two types of parameters

[java] Difference between arguments and parameters in Java

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