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【多选题】以下的C#代码,试图用来定义一个接口: public interface IFile { int A; int delFile() { A = 3; } void disFile(); } 关于以上的代码,以下描述错误的是()。(2 分)

A.可以在接口中定义变量,所以int A代码行不会出现错误;

B.接口方法delFile是可以实现的,可以编写具体的实现函数;

C.代码void disFile();声明无错误,接口可以没有返回值;

D.代码void disFile();应该编写为void disFile(){};


参考答案和解析
B
更多 “【多选题】以下的C#代码,试图用来定义一个接口: public interface IFile { int A; int delFile() { A = 3; } void disFile(); } 关于以上的代码,以下描述错误的是()。(2 分)A.可以在接口中定义变量,所以int A代码行不会出现错误;B.接口方法delFile是可以实现的,可以编写具体的实现函数;C.代码void disFile();声明无错误,接口可以没有返回值;D.代码void disFile();应该编写为void disFile(){};” 相关考题
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