面向对象编程实践题

1、面3设计一个时间类 Time,#includeclass/属性GetHour()returnvoidh)voidCTime x; 面3设计一个时间类 Time,#includeclass/属性GetHour()returnvoidh)voidCTime x; 2 #includeconst CCircle(doubleArea() return pi*r*r; SetRadius(double x) r=x; GetRadius() return r; Circumference()return2*pi*r;Show() f(%fn,r);voidCCircle例 struct Complex

2、double&doubledouble&Complex&operator=(constComplex&returnreturnComplex(doubler=4,doubleCCircle例 struct Complexdouble&doubledouble&Complex&operator=(constComplex&returnreturnComplex(doubler=4,doublefriendoperator+(Complexoperator+=(constComplex&operator-(Complexa,constComplex&friendoperator-=(Complex

3、&,constComplex&inline return*this; inlineoperator-=(Complex&t,constComplex&returninlineComplex:operator+(ComplexreturnComplex(real+b.real,imag+b.imag); inlineoperator-(Complexa,constComplex&/ inlineoperator*(Complexa,constComplex& inlineoperator/(constComplex&a,constComplex&double doublereal=(a.x*b.

4、x+a.y+b.y)/norm;doubleimag=(a.y*b.x-a.x*b.y)/norm; return Complex(real,imag);voidComplexinlineoperator/(constComplex&a,constComplex&double doublereal=(a.x*b.x+a.y+b.y)/norm;doubleimag=(a.y*b.x-a.x*b.y)/norm; return Complex(real,imag);voidComplexf(a+=bf(a-=bc=a+b;pr c=a-b; pr c=a*b;pr c=a/b; pr a+=b;

5、 pr a-/c=a+b=(16.00,/c=a-b=(-4.00,-/c=a*b=(-/c=a/b=(0.496970,-/a+=b=(16.00,/a-=b设计一个抽象类Sh，然后派生具体类Circle和Rectangle。具体类中提供计算面积的虚函数Area。#includeconstdoubl public:virtualprivateCCircle(doubleArea() return pi*r*r; SetRadius(double x) r=x; GetRadius() return r; Circumference()return2*pi*r;Show() f(%fn,r);

6、classCRectangle:publicprivateCRectangle(doubleu=0,doubleArea() return x*y; SetX(doubleu)x=u; GetY() return y; Show() f(%f,%fn,x,y);voidCCirclep-AoperatorBC Area() return x*y; SetX(doubleu)x=u; GetY() return y; Show() f(%f,%fn,x,y);voidCCirclep-AoperatorBC #include class &classB:public* &B(constB&B&o

7、perator=(constB&B()delete& B:operator ( returnelse f(boundreturnB&B:operator=(constB&deleteelse f(boundreturnB&B:operator=(constB&deletereturn *this;B:B(constB&classC:publicpublic:C(constC&r):k):voidC/a,dCf(bfadeout/b/d深部数组元素a.p0b/输出：88; bfade out习题 模板1. #include templateclassvoidswap(T&x,Ttemplate

8、voidSelectSort(Ta,Tt=x;x=y;show(a,i+1,n); if (ajamin)习题 模板1. #include templateclassvoidswap(T&x,Ttemplate voidSelectSort(Ta,Tt=x;x=y;show(a,i+1,n); if (ajamin) template void show(T * a,f(%dtvoid2. #include templateclassvoidswap(T&x,T&y) template void show(T * a,f(%dTt=x;x=y;f(%dttemplate voidBubbleSort(Ta,/in-1show(a,i, if (ajaj+1) voidshow(a,template voidBubbleSort(Ta,/in-1show(a,i, if (ajaj+1) voidshow(a,7,3. 用函数模板实现 # include templateclassvoidshow(T*f(%dttemplate voidInsertSort(Ta,/从起向前搜寻voidlon