123
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// out modificator private void Add1(int x, int y, out int r) { //do something r = x + y; //out param must be assigned inside scope } // ref modificator int r = 123; private static void Add2(int x, int y, ref int r) { //do something r = x + y; //out param must be assigned inside scope } // params modificator - must be 1 by order private static double CalcAverage(params double[] values) { double r = 0; if (values.Length == 0) return r; double sum = 0; for (var i = 0; i < values.Length; i++) { sum += values[i]; } r = sum / values.Length; return r; } // optional Arguments private static void OptionalArgument(string s1,string s2="default") { Console.WriteLine(s1+"\n\r"+s2); } // overload static void Some(int x, int y) { } static void Some(int x, int y, int z) { } |