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面向对象程序设计编程实验上机.doc

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面向对象程序设计编程上机作业题目:调试构造函数Pen()例题usingSystem;usingSystem.Collections.Generic;usingSystem.Text;namespaceConsoleApplication2{classPen{publicstringColor;privateintPrice;publicPen(){Color="BLACK";Price=5;}publicvoidSetPrice(intnewPrice){Price=newPrice;}publicintGetPrice(){returnPrice;}publicvoidSetColor(stringnewColor){Color=newColor;}publicstringGetColor(){returnColor;}}classTest{publicstaticvoidMain(){PenmyPen=newPen();Console.WriteLine("Thepriceis{0}",myPen.GetPrice());Console.WriteLine("TheColoris{0}",myPen.Color);}}}调试构造函数重载Pen()例题usingSystem;classPen{publicstringColor;privateintPrice;publicPen(){Color="BLACK";Price=5;}publicPen(stringnewColor,intnewPrice){Color=newColor;Price=newPrice;}publicvoidSetPrice(intnewPrice){Price=newPrice;}publicvoidSetPrice(){Price=5;}publicintGetPrice(){returnPrice;}publicvoidSetColor(stringnewColor){Color=newColor;}publicstringGetColor(){returnColor;}}classTest{publicstaticvoidMain(){PenmyPen=newPen();PenhisPen=newPen("GREEN",8);Console.WriteLine("Thepriceis{0}",myPen.GetPrice());Console.WriteLine("TheColoris{0}",myPen.Color);Console.WriteLine("Thepriceis{0}",hisPen.GetPrice());Console.WriteLine("TheColoris{0}",hisPen.GetColor());hisPen.SetPrice();Console.WriteLine("Thepriceis{0}",hisPen.GetPrice());}}(3)使用重载方法求5和5.65的平方。usingSystem;usingSystem.Collections.Generic;usingSystem.Text;namespaceConsoleApplication8{classProgram{publicclassapp{publicintapp1(intx){returnx*x;}publicdoubleapp1(doubley){returny*y;}}staticvoid