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notes1 - Wednesday November 28 <-3-2-1-0-1-2-3-4-5->...

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Wednesday November 28 <---(-3)--(-2)--(-1)--0--1--2--3--4--5----> abstraction: information hiding what is the game program going to be doing with targets? struct Target { ... }; Pseudocode move (char dir) // move the target in the indicated position replayHistory() // replay the history int position() // return the target's position Say you have a target object t2 nothing stops any part of the program from saying t2.history="LQ?35xx!" what if you say cout<<t.pos; cout<<t.position(); but you change the data members instead  to create special compile errors to stop certain changes - certain functions allowed to change - these functions declared inside the declaration of your structure type - soo: struct Target {  public:   void move(char dir); //  member functions , operations, 
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  void replayHistory(); // or methods   private:   int pos; //  data  members, or instance    string history; // variables, or attributes } int main() {  Target t;   t.move('R');
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