多选题现有:   1.  class HorseRadish {   2.    // insert code here   3.    protected HorseRadish(int x) {    4.      System.out.println("bok choy");  5.    }  6.  }   7.  class Wasabi extends HorseRadish {   8.    public static void main(String [] args) {   9.      Wasabi w = new Wasabi();  10.   }    11. }   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// just a commentBprotected HorseRadish() { }Cprotected HorseRadish() { this(42);}Dprotected  HorseRadish() { new HorseRadish (42);}

多选题
现有:   1.  class HorseRadish {   2.    // insert code here   3.    protected HorseRadish(int x) {    4.      System.out.println("bok choy");  5.    }  6.  }   7.  class Wasabi extends HorseRadish {   8.    public static void main(String [] args) {   9.      Wasabi w = new Wasabi();  10.   }    11. }   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

// just a comment

B

protected HorseRadish() { }

C

protected HorseRadish() { this(42);}

D

protected  HorseRadish() { new HorseRadish (42);}


参考解析

解析: 暂无解析

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单选题现有:   1. interface Altitude {   2.   //insert code here  3. }    和4个声明:  int HIGH = 7;   public int HIGH = 7;   abstract int HIGH = 7;   interface int HIGH = 7;    分别插入到第2行,有多少行可以编译?()A 0B 1C 2D 3E 4

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