1  #include 
                2  #include 
                3
                4  class HelloWorld {
                5
                6  public:                                                              ++
                7                                                                  C              ProgrammingforPhysicists
                8    HelloWorld(){
                9    };
                10   
                11   ~HelloWorld() throw(){
                12   };
                13
                14   const char * const Message() throw(){
                15     return mspText;                                      Anintroduction to object oriented programming with
                16   }
                17
                18 private:
                19
                20   static const char * const mspText;                                                                       exercises
                21
                22 };
                23
                24 const char * const HelloWorld::mspText="hello world";
                25
                26 int main(int argc, char *argv[]){
                27
                28   try{
                29                                                                                     WS2010/2011—April4th–15th,2011
                30     HelloWorld *hello=new HelloWorld;
                31     std::cout << hello→Message() << std::endl;
                32
                33   }
                34   catch(std::exception &e){
                35
                36     std::cerr << e.what() << std::endl;                                    PDDr.H.Kroha,Dr.J.Dubbert, Dr. M. Flowerdew
                37     return 1;
                38
                39   }                                                                                                       MPIMünchen
                40
                41   delete hello;
                42
                43   return 0;
                44
                45 }
                     Technische Universität München                                                                          Max-Planck-Institut für Physik
               Introduction
                                                                                                                                                                                                         Max−Planck−Institut
                                                                                                                                      ++                                                                       für Physik
                                                                                                         WhatisC                                                                                           (Werner-Heisenberg-Institut)
             •       C++isamulti-purpose high level programming language
             •       Extension and improvement of the C programming language
             •       Allows definition of new data types (classes)
             •       Supports object oriented programming
             •       Supports generic programming (polymorphism)
                                                                                               ++
             Kroha, Dubbert, Flowerdew                                                       C     ProgrammingforPhysicists —Introduction                                                                   WiSe2010/2011–p.3
                                                                                                                                                                                                         Max−Planck−Institut
                                                                                                                                        ++                                                                     für Physik
                                                                                                   WhylearnC ?                                                                                             (Werner-Heisenberg-Institut)
             •       Popular wide-spread language
             •       Object oriented
                     -      Simplifies of large projects
                     -      Re-usable code
             •       High execution speed (compiled language)
                                                                                               ++
             Kroha, Dubbert, Flowerdew                                                       C     ProgrammingforPhysicists —Introduction                                                                   WiSe2010/2011–p.4