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面向对象程序设计之类和对象.ppt

发布:2025-03-20约1.28万字共56页下载文档
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例#includeiostreamusingnamespacestd;classTime{public:inthour;intminute;intsec;};intmain(){Timet1;Timet2=t1;cint2.hour;cint2.minute;cint1.sec;coutt1.hour:t1.minute:t2.secendl;}第30页,共56页,星期日,2025年,2月5日例定义2个对象,分别输入时分秒输出时:分:秒#includeiostreamclassTime{public:inthour;intminute;intsec;};intmain(){return0;}第31页,共56页,星期日,2025年,2月5日例#includeiostreamusingnamespacestd;classTime{public:inthour;intminute;intsec;};intmain(){Timet1;cint1.hour;cint1.minute;cint1.sec;coutt1.hour:t1.minute:t1.secendl;Timet2;cint2.hour;cint2.minute;cint2.sec;coutt2.hour:t2.minute:t2.secendl;return0;}第32页,共56页,星期日,2025年,2月5日例:定义函数执行输入输出#includeiostreamusingnamespacestd;classTime{public:inthour;intminute;intsec;};intmain(){voidset_time(Time);voidshow_time(Time);Timet1;set_time(t1);show_time(t1);Timet2;set_time(t2);show_time(t2);return0;}第33页,共56页,星期日,2025年,2月5日例#includeiostreamusingnamespacestd;classTime{public:inthour;intminute;intsec;};intmain(){voidset_time(Time);voidshow_time(Time);Timet1;set_time(t1);show_time(t1);Timet2;set_time(t2);show_time(t2);return0;}voidset_time(Timet){cint.hour;cint.minute;cint.sec;}voidshow_time(Timet){coutt.hour:t.minute:t.secendl;}第34页,共56页,星期日,2025年,2月5日例:定义含默认值参数的set_time和show_time函数#includeiostreamclassTime{public:inthour;intminute;intsec;};intmain(){Timet1;set_time(t1,12,23,34);show_time(t1);Timet2;set_time(t2);show_time(t2);}第35页,共56页,星期日,2025年,2月5日例#includeiostreamusingnamespacestd;classTime{public:inthour;intminute;intsec;};intmain(){voidset_time(Time,inthour=0,intminute=0,intsec=0);voidshow_time(Time);Timet1;set_time(t1,12,23,34);show_time(t1);Timet2;set_ti

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