题目内容
现有:
1.classSuperFoo{
2.SuperFoodoStuff(intx){
3.returnnewSuperFoo();
4.}
5.}
6.
7.classFooextendsSuperFoo{
8.//insertcodehere
9.}
和四个声明:
FoodoStuff(intx){returnnewFoo();}
FoodoStuff(intx){returnnewSuperFoo();}
SuperFoodoStuff(intx){returnnewFoo();}
SuperFoodoStuff(inty){returnnewSuperFoo();}
分别插入到第8行,有几个可以通过编泽?()
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