现有如F包结构： com |一一X | |一一Alpha.class | | | |一一y I |一一Beta.class | |l-- Gamma.class 和类： class Test { Alpha a； Beta b； Gamma c； } 哪三个必须加入到类Test中，以使其通过编译？（） A、 package y；B、 package com；C、 import com.x.y.*；D、 import com.x.*；
现有如F包结构： com |一一X | |一一Alpha.class | | | |一一y I |一一Beta.class | |l-- Gamma.class 和类： class Test { Alpha a； Beta b； Gamma c； } 哪三个必须加入到类Test中，以使其通过编译？（）
- A、 package y；
- B、 package com；
- C、 import com.x.y.*；
- D、 import com.x.*；
相关考题：
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有如下的程序:includeincludeusing namespace std;int main(){ char s[25]= 有如下的程序：include＜iostream＞include＜fstream＞using namespace std；int main(){char s[25]="Programming language"；ofstream f1("DATA. TXT")；f1＜＜"C++Programming"；f1.close()；ifstream f2("DATA.TXT")；if(f2.good())f2＞＞s；f2.close();cout＜＜s；return 0；}执行上面的程序将输出______。
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