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ID:40531738
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页数:3页
时间:2019-08-04
《c++练习题(含答案)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、n下面程序的输出结果是:ndestructorBndestructorAn请完整写出classA。限制条件:不得为classA编写构造函数n#includenclassAn{……};nclassB:publicA{npublic:n~B(){cout<<"destructorB"<2、ample{nintx;npublic:nCSample(){cout<<"C1"<3、{intnVal;npublic:MyInt(intn){nVal=n;}nintReturnVal(){returnnVal;}nMyInt&operator-(intx){nnVal-=x;nreturn*this;}};nvoidmain(){nMyIntobjInt(10);nobjInt-2-1-3;ncout<nclassA{npub4、lic:virtual~A(){cout<<"DestructA"<
2、ample{nintx;npublic:nCSample(){cout<<"C1"<3、{intnVal;npublic:MyInt(intn){nVal=n;}nintReturnVal(){returnnVal;}nMyInt&operator-(intx){nnVal-=x;nreturn*this;}};nvoidmain(){nMyIntobjInt(10);nobjInt-2-1-3;ncout<nclassA{npub4、lic:virtual~A(){cout<<"DestructA"<
3、{intnVal;npublic:MyInt(intn){nVal=n;}nintReturnVal(){returnnVal;}nMyInt&operator-(intx){nnVal-=x;nreturn*this;}};nvoidmain(){nMyIntobjInt(10);nobjInt-2-1-3;ncout<nclassA{npub
4、lic:virtual~A(){cout<<"DestructA"<
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