多项选择题
现有:
class HorseRadish {
//insert code here
protected HorseRadish (int x) {
System.out.println ("bok choy");
}
}
class Wasabi extends HorseRadish {
public static void main (String [] args){
Wasabi w- new Wasabi();
}
}
分别插入到第2行,哪两项允许代码编译并产生”bok choy”输出结果()
A. protected HorseRadish() {this (42);}
B. protected HorseRadish() {}
C. //just a comment
D. protected HorseRadish() { new HorseRadish (42);}
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