多选题现有2个文件:      package x;      public class X{  public static void doX()  {System.out.print("doX");}      }   和:  class Find{  public static void main(String  []  args)  {    //insert code here      }     }  哪两行分别插入到类Find的第3行将编译并产生输出“doX”?()AdoX();BX.doX();Cx.X.doX();Dx.X myX=new x.X();myX.doX();

多选题
现有2个文件:      package x;      public class X{  public static void doX()  {System.out.print("doX");}      }   和:  class Find{  public static void main(String  []  args)  {    //insert code here      }     }  哪两行分别插入到类Find的第3行将编译并产生输出“doX”?()
A

doX();

B

X.doX();

C

x.X.doX();

D

x.X myX=new x.X();myX.doX();


参考解析

解析: 暂无解析

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现有2个文件:packagex;publicclassX{publicstaticvoiddoX(){System.out.print(doX);}}和:classFind{publicstaticvoidmain(String[]args){//insertcodehere}}哪两行分别插入到类Find的第3行将编译并产生输出doX”?() A.doX();B.X.doX();C.x.X.doX();D.x.XmyX=newx.X();myX.doX();

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Which declarations will allow a class to be started as a standalone program?()  A、public void main(String args[])B、public void static main(String args[])C、public static main(String[] argv)D、final public static void main(String [] array)E、public static void main(String args[])

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 commentB、 protected HorseRadish() { }C、 protected HorseRadish() { this(42);}D、 protected  HorseRadish() { new HorseRadish (42);}

现有:  class Top  {     static int X=l;  public Top()  {  x*=3; }     }  class Middle extends Top  {      public  Middle()    {x+=l;  }  public static void main(String  []  args)  {     Middle m=new Middle();    System.out.println (x);    }     }  结果是什么?()    A、  2B、  3C、  4D、编译失败

现有两个文件:A   package x;   public class X{   public static void doX(), System.out.print(“doX”);  }   和:   Import x,X;   class Find{   public static void main(String[] args){   X myX =new X();  myX.doX();   X.doX();   x.X. doX();   x.X myX2=new x.x(); myX2.doX();  }  }   结果为:()  A、 doX doX doX doXB、 Find类中出现多个错误,编译失败。C、 Find类中第4行出现一个错误,编译失败。D、 Find类中第5行出现一个错误,编译失败。E、 Find类中第6行出现一个错误,编译失败。F、 Find类中第7行出现一个错误,编译失败。

现有2 个文件:  1. package x;  2. public class X {  3. public static void doX() { System.out.print("doX "); }  4. }  和:  1. class Find {  2. public static void main(String [] args) {  3. //insert code here  4. }  5. }  哪两行分别插入到类Find 的第3 行将编译并产生输出“doX”? ()A、doX();B、X.doX();C、x.X.doX();D、x.X myX = new x.X(); myX.doX();

public class X {  public static void main(String [] args) {  try {  badMethod();  System.out.print(“A”); }  catch (Exception ex) {  System.out.print(“B”);  }  finally {  System.out.print(“C”);  }  System.out.print(“D”);  }   public static void badMethod() {} }  What is the result?()  A、 ACB、 BDC、 ACDD、 ABCDE、 Compilation fails.

现有两个文件:      package X;      public class X  {  public static void doX()  {System.out.print ("doX");  }      }    和:  import x.X;      class Find  {  publiC static void main (String  []  args)    {      X myX=new X();    myX.doX();      X.doX();      x.X.aoX():  x.X myX2=new x.X();    myx2 .doX();          }   }      结果为:() A、 Find类中第4行出现一个错误,编译失败。B、 Find类第5行出现一个错误,编译失败。C、 Find类第6行出现一个错误,编译失败。D、 doX doX doX doX

1. class Calc {  2. public static void main(String [] args) {  3. try {  4. int x = Integer.parseInt("42a");  5. //insert code here  6. System.out.print("oops ");  7. }  8. }  9. }  下面哪两行分别插入到第五行,会导致输出“oops”?()A、} catch (ClassCastException c) {B、} catch (IllegalStateException c) {C、} catch (NumberFormatException n) {D、} catch (IllegalArgumentException e) {

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现有:  class Top  {  static int x=l;  public Top (inty)  {  x*=3;  }      }  class Middle extends Top {      public Middle()  {x+=1;  )  public  static void main (String  []  args)  {      Middle m = new Middle();      System. out .println (x);      }     }      结果为:()     A、1B、2C、3D、编译失败

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