public static void Main() { Boolean flag = true; while (flag) { Console.WriteLine(" "); Console.WriteLine("Program List:"); Console.WriteLine("\n1. Basic Programs\n2. Logical Programs"); Console.WriteLine("3. Functional Program\n4. Algorithmic Programs"); Console.WriteLine("5. Collection\n6. Data Structure"); Console.WriteLine("7. Object Oriented Programming"); Console.WriteLine("8. Design Pattern"); Console.WriteLine("9. Exit "); Console.WriteLine(" "); Console.WriteLine("Enter Your Choice:"); Console.WriteLine(""); try { string input = Console.ReadLine(); if (Regex.IsMatch(input, @"^[0-9]+$")) { int choice = Convert.ToInt32(input); switch (choice) { case 1: BasicPrograms.BasicProgramList(); break; case 2: LogicalPrograms.LogicalProgramList(); break; case 3: FunctionalPrograms.FunctionalProgramList(); break; case 4: AlgorithmPrograms.AlgorithmProgramList(); break; case 5: List.ListExample1(); break; case 6: Data_Structure_Programs.Data_Structure_Program_List(); break; case 7: ObjectOrientedPrograms.ObjectOrientedProgramList(); break; case 8: Design_PatternInput.DesignPatternInputFunction(); break; case 9: Console.WriteLine("Program Exit!!"); flag = false; break; default: Console.WriteLine("Wrong Choice.\nDo you want to work in Program List?\nIf yes press 1 "); if (choice != 0) { Console.WriteLine("Program Exit!!"); flag = false; } break; } } } catch (Exception ex) { Console.WriteLine(ex.Message); } } Console.ReadKey(); }
public static void BasicProgramList() { Boolean flag = true; while (flag) { Console.WriteLine(" "); Console.WriteLine("Basic Program List:"); Console.WriteLine("\n1. Addition of Two Numbers\n2. Username "); Console.WriteLine("3. Flip Coin \n4. Leap Year"); Console.WriteLine("5. Power of Two\n6. Harmonic Number"); Console.WriteLine("7. Factors"); Console.WriteLine("8. Exit"); Console.WriteLine(" "); Console.WriteLine("Enter Your Choice:"); try { int choice = Convert.ToInt32(Console.ReadLine()); switch (choice) { case 1: AdditionOfTwoNumbers.AdditionInput(); break; case 2: Username.UsernameInput(); break; case 3: FlipCoin.TossInput(); break; case 4: LeapYear.LeapyaerInput(); break; case 5: PowerOfTwo.PowerInput(); break; case 6: HarmonicNumber.HarmonicNumberInput(); break; case 7: Factors.FactorInput(); break; case 8: Console.WriteLine("Basic Program Exit!!"); flag = false; break; default: Console.WriteLine("Wrong Choice.\nDo you want to work in Bassic Program List?\nIf yes press 1 "); choice = Convert.ToInt32(Console.ReadLine()); if (choice == 1) { BasicPrograms.BasicProgramList(); } else { flag = false; } break; } } catch (Exception ex) { Console.WriteLine(ex.Message); } } }