static void ParamsSample() { Lesson11 lesson = new Lesson11(); lesson.UseParams(10, 3, 24, 36, 45, 120); lesson.UseParams(); int[] intArray = { 2, 3, 4, 5, 6, }; lesson.UseParams(intArray); lesson.UseParams2(1, "Happy", false, 34.5F); lesson.optionlalParam("selam"); lesson.optionlalParam("selam", 19); }