现有:class Test2 fpublic static void main (String [] args) {short a,b,C;a=1;b=2;C=a+b;a+=2;}}以上代码中,哪一句是错误的?()A、a=1;B、C=a+b;C、a+=2;D、shorta,b,C;

现有:class Test2 fpublic static void main (String [] args) {short a,b,C;a=1;b=2;C=a+b;a+=2;}}以上代码中,哪一句是错误的?()

  • A、a=1;
  • B、C=a+b;
  • C、a+=2;
  • D、shorta,b,C;

相关考题:

( 8 )阅读下列代码public class Test2{public static void main(String args[]){System.out.println(5/2);}}其执行结果是 【 8 】 。

阅读下面程序public class Test2{public static void main(String args[]){int a=10,b=4,c=20,d=6;System.out.println(a++*b+c*-d);}}程序运行的结果是A)144B)160C)140D)164

阅读下面程序 public class Test2______ { public static void main(String[] args){ Thread t=new Test2(); t. start(); } public void run(){ System. out. priatln("How are you. "); } } 在程序下画线处填入的正确的选项是A.implements ThreadB.extends RunnableC.implements RunnableD.extends Thread

Static Nested Class 和 Inner Class 的不同。

下列代码的执行结果是( )。 public class Test2 { public static void main(String arg[]) { System.out.println(100%3); System.out.println(100%3.0); }}A.1和1B.1和1.0C.1.0和1D.1.0和1.0

阅读下面程序 public class Test2 ______ { public static void main(String[] args) { Thread t=new Test2(); t.start(); } public void run() { System.out.println("How are you."); } } 程序中下画线处应填入的正确选项是A.implements ThreadB.extends RunnableC.implements RunnableD.extends Thread

现有:  class Tree {  private static String tree = "tree ";  String getTree ()  {  return tree;  }       }  class Elm extends Tree {  private static String tree = "elm ";  public static void main (String  []  args)  {       new Elm() .go (new Tree())  ;      } }  void go (Tree t)  {  String  s =  t.getTree () +Elm.tree  +  tree  +   (new  Elm() .getTree ()) ;      System.out.println (s) ;}     结果为:()                 A、 elm elm elm elmB、 tree elm elm elmC、 tree elm elm treeD、 tree elm tree elm

现有:   class TestMain {      static int x = 2;  static { x = 4; }   static public void main(String[] args) {    int y = x + 1;   System.out.println(y);    }    }    和命令行:  java TestMain    结果为:() A、 3B、 5C、 编译失败D、 运行时异常被抛出

Which statement about static inner classes is true?()A、 An anonymous class can be declared as static.B、 A static inner class cannot be a static member of the outer class.C、 A static inner class does not require an instance of the enclosing class.D、 Instance members of a static inner class can be referenced using the class name of the static inner class.

package test1;  public class Test1 {  static int x = 42;  }  package test2;  public class Test2 extends test1.Test1 {  public static void main(String[] args) { System.out.println(“x = “ + x);  }  }  What is the result?() A、 x = 0B、 x = 42C、 Compilation fails because of an error in line 2 of class Test2.D、 Compilation fails because of an error in line 3 of class Test1.E、 Compilation fails because of an error in line 4 of class Test2.

Which thefollowingstatements about static inner classes is true?()A、 An anonymous class can be declared as static.B、 A static inner class cannot be a static member of the outer class.C、 A static inner class does not require an instance of the enclosing class.D、 Instance member of a static inner class can be referenced using the class name of the staticinner class.

现有: class TestApp{ public static void main (String[] args){ for (int i=0; iA、0123B、012456789C、0123456789D、012

public class OuterClass {  private double d1  1.0;  //insert code here   }   You need to insert an inner class declaration at line2. Which two inner class declarations are valid?() A、 static class InnerOne {  public double methoda() {return d1;}  }B、 static class InnerOne {  static double methoda() {return d1;} }C、 private class InnerOne {  public double methoda() {return d1;} }D、 protected class InnerOne {  static double methoda() {return d1;} }E、 public abstract class InnerOne {  public abstract double methoda();  }

Which statements about static inner classes are true?()A、 A static inner class requires a static initializer.B、 A static inner class requires an instance of the enclosing class.C、 A static inner class has no reference to an instance of the enclosing class.D、 A static inner class has access to the non-static members of the outer class.E、 Static members of a static inner class can be referenced using the class name of the static inner  class.

现有:      class Test2  f  public  static void main (String  []  args)  {      short a,b,C;      a=l;      b=2;  C=a+b;      a+=2:      }        以上代码中,哪一句是错误的?()     A、a=1:B、C=a+b;C、a+=2;D、short a,b,C;

1. public class OuterClass {  2. private double d1 = 1.0;  3. // insert code here  4. }  Which two are valid if inserted at line 3?()  A、 static class InnerOne { public double methoda() { return d1; } }B、 static class InnerOne { static double methoda() { return d1; } }C、 private class InnerOne { public double methoda() { return d1; } }D、 protected class InnerOne { static double methoda() { return d1; } }E、 public abstract class InnerOne { public abstract double methoda(); }

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

单选题现有:class Test2 fpublic static void main (String [] args) {short a,b,C;a=1;b=2;C=a+b;a+=2;}}以上代码中,哪一句是错误的?()Aa=1;BC=a+b;Ca+=2;Dshorta,b,C;

单选题现有:  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

单选题Which thefollowingstatements about static inner classes is true?()A An anonymous class can be declared as static.B A static inner class cannot be a static member of the outer class.C A static inner class does not require an instance of the enclosing class.D Instance member of a static inner class can be referenced using the class name of the staticinner class.

单选题package test1;  public class Test1 {  static int x = 42;  }  package test2;  public class Test2 extends test1.Test1 {  public static void main(String[] args) { System.out.println(“x = “ + x);  }  }  What is the result?()A x = 0B x = 42C Compilation fails because of an error in line 2 of class Test2.D Compilation fails because of an error in line 3 of class Test1.E Compilation fails because of an error in line 4 of class Test2.

单选题现有:      class Test2  f  public  static void main (String  []  args)  {      short a,b,C;      a=l;      b=2;  C=a+b;      a+=2:      }        以上代码中,哪一句是错误的?()Aa=1:BC=a+b;Ca+=2;Dshort a,b,C;

多选题Which statements about static inner classes are true?()AA static inner class requires a static initializer.BA static inner class requires an instance of the enclosing class.CA static inner class has no reference to an instance of the enclosing class.DA static inner class has access to the non-static members of the outer class.EStatic members of a static inner class can be referenced using the class name of the static inner  class.

单选题现有:  class Test2  f  public static void main (String  []  args)  {      boolean X= true;      boolean y=false;      short Z=20;      if((x==true)  &  (y=true))  z++;     if((y==true) ||  (++z==22))  z++;      System. out .println( "z="+z);      }      结果是什么?()AZ=21BZ=22CZ=23DZ= 24

单选题现有:  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:()A1B2C3D编译失败

单选题Which statement about static inner classes is true? ()A An anonymous class can be declared as static.B A static inner class cannot be a static member of the outer class.C A static inner class does not require an instance of the enclosing class.D Instance members of a static inner class can be referenced using the class name of the static inner class.

单选题现有: class TestApp{ public static void main (String[] args){ for (int i=0; iA0123B012456789C0123456789D012