static void Main(string[] args) { string someText = "sometext444is777here"; string textWithIp = "My IP is 185.219.78.170 !"; string digits = someText.ExtractDigits(); string letters = someText.ExtractLetters(); string textAfterSymbol = someText.ExtractTextAfterSymbol("x"); string ip = textWithIp.ExtractIp(); FileActions file = new FileActions(); file.CreateWriteFile(textWithIp); string fileText = file.ReadFromFIle(); string ipFromFile = fileText.ExtractIp(); file.DeleteFile(); Task1 task1 = new Task1(); task1.AssignDifferentValues(); task1.DontAssignValues(); task1.AssignSameValues(); task1.SameValuesFloadDouble(); task1.DivideByZero(); task1.DivideByThree(); task1.DivideByThreeAndRound(); Task2 task2 = new Task2(); task2.CompareBoolAndPrint(); //how to use 'case' here? task2.CompareDifferentNumericValues(); task2.LogicalANDandOR(); task2.DifferentStrings(); Task3 task3 = new Task3(); task3.SimpleCycles(); task3.TenTimesLoop(); int factorial = task3.RecursionWithExitCondition(3); //task3.InfiniteLoop(); //task3.RecursionWithoutExitCondition(4); Task4 task4 = new Task4(); task4.MyList(); task4.MyDictionary(); task4.MyTuple(); Task5 task5 = new Task5(); task5.ListGet(); task5.ListAdd(); task5.ListRemove(); task5.PrintNewList(); Task6 task6 = new Task6(); task6.DivideByZero(); Task7 task7 = new Task7(); task7.CreateWriteFile(); task7.MathOperationsOnNumbersFromString(); Task8_Serialization2 task8 = new Task8_Serialization2(); task8.Serialize(); //how to serialize a class, not an object? how to print serialized object? Task9 task9 = new Task9(); task9.ParseToJson(); Task10 task10 = new Task10(); task10.PrintConcatenatedStrings(); task10.TrimString(); task10.PrintWordsInSeparateRow(); task10.CleanEmptySpaces(); task10.ToUppercase(); task10.AllWToUppercase(); task10.FirstWToUppercase(); task10.ParsePrice(); }