using system;
using system.collections.generic;
using system.linq;
using system.text;
namespace state
};public
class cgumballmachine
else
}//property
public istate stateofmechine
set}
public
int ncount
set}
//member function
public
string insertquarter()
public
string ejectquarter()
public
string turncrank()
public
string releaseball()
return
"a gumball comes rolling out the slot.../n";
}public
string refill(int ngumballs)
this.m_ncount += ngumballs;
this.m_statecurrent = this.m_statenoquareter;
return
"/nrefill: " + ngumballs + "gumballs were added. " + "the gumball count is: " + this.m_ncount;
}public
string machinestateheader()
return sbresult.tostring();
}//data member
private istate m_statesoldout;
private istate m_statenoquareter;
private istate m_statehasquareter;
private istate m_statesoldstate;
private istate m_statecurrent;
private
int m_ncount;
};
public
inte***ce istate
;
public
class csoldstate : istate
//inhert from istate
public
string insertquarter()
public
string ejectquarter()
public
string turncrank()
public
string dispense()
else
return stroutput;
}public
override
string tostring()
private cgumballmachine m_objgbmachine;
private istate m_statenoquarter;
private istate m_statesoldout;
};public
class csoldoutstate : istate
//inhert from istate
public
string insertquarter()
public
string ejectquarter()
public
string turncrank()
public
string dispense()
public
override
string tostring()
private cgumballmachine m_objgbmachine;
};public
class cnoquarterstate : istate
//inhert from istate
public
string insertquarter()
public
string ejectquarter()
public
string turncrank()
public
string dispense()
public
override
string tostring()
private cgumballmachine m_objgbmachine;
private istate m_statehasquarter;
};public
class chasquarterstate : istate
//inhert from istate
public
string insertquarter()
public
string ejectquarter()
public
string turncrank()
else
return stroutput;
}public
string dispense()
public
override
string tostring()
private cgumballmachine m_objgbmachine;
private istate m_statenoquarter;
};public
class cwinnerstate : istate
//inhert from istate
public
string insertquarter()
public
string ejectquarter()
public
string turncrank()
public
string dispense()
else
else
}return stroutput;
}
public
override
string tostring()
private cgumballmachine m_objgbmachine;
private istate m_statenoquarter;
private istate m_statesoldout;};}
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