参考答案和解析
正确答案:
答:Static Nested Class是被声明为静态(static)的内部类,它可以不依赖于外部类实例被实例化。而通常的内部类需要在外部类实例化后才能实例化。
更多“Static Nested Class 和 Inner Class的不同,说得越多越好”相关问题
  • 第1题:

    Which two statements are true?()

    • A、 An inner class may be declared as static.
    • B、 An anonymous inner class can be declared as public.
    • C、 An anonymous inner class can be declared as private.
    • D、 An anonymous inner class can extend an abstract class.
    • E、 An anonymous inner class can be declared as protected.

    正确答案:A,D

  • 第2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.

    正确答案:C

  • 第3题:

    下列是抽象类的声明的是()

    • A、  abstract class figure{    }
    • B、  class  abstract figure{    }
    • C、  seald class figure{    }
    • D、  static class figure{  }

    正确答案:A

  • 第4题:

    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();  }

    正确答案:C,E

  • 第5题:

    public class enclosingone (    public class insideone{}   )   public class inertest(   public static void main (stringargs)(   enclosingone eo= new enclosingone ();    //insert code here  )  )   Which statement at line 7 constructs an instance of the inner class?()

    • A、 InsideOnew ei= eo.new InsideOn();
    • B、 Eo.InsideOne ei = eo.new InsideOne();
    • C、 InsideOne ei = EnclosingOne.new InsideOne();
    • D、 EnclosingOne.InsideOne ei = eo.new InsideOne();

    正确答案:D

  • 第6题:

    Which statement is true?()

    • A、 An anonymous inner class may be declared as final.
    • B、 An anonymous inner class can be declared as private.
    • C、 An anonymous inner class can implement multiple interfaces.
    • D、 An anonymous inner class can access final variables in any enclosing scope.
    • E、 Construction of an instance of a static inner class requires an instance of the enclosing outer class.

    正确答案:D

  • 第7题:

    class Birds {  public static void main(String [] args) {  try {  throw new Exception();  } catch (Exception e) { try {  throw new Exception();  } catch (Exception e2) { System.out.print("inner "); }  System.out.print("middle "); }  System.out.print("outer ");  }  }  结果为:()  

    • A、inner
    • B、inner outer
    • C、middle outer
    • D、inner middle outer

    正确答案:D

  • 第8题:

    单选题
    package foo;  public class Outer {  public static class Inner {  }  }   Which statement is true?()
    A

     Compilation fails.

    B

     An instance of the Inner class can be constructed with “new Outer.Inner()”.

    C

     An instance of the Inner class cannot be constructed outside of package foo.

    D

     An instance of the Inner class can be constructed only from within the Outer class.

    E

     From within the package foo, and instance of the Inner class can be constructed with “new Inner()”.


    正确答案: E
    解析: 暂无解析

  • 第9题:

    多选题
    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();  }


    正确答案: D,C
    解析: 暂无解析

  • 第10题:

    多选题
    Which two statements are true?()
    A

    An inner class may be declared as static.

    B

    An anonymous inner class can be declared as public.

    C

    An anonymous inner class can be declared as private.

    D

    An anonymous inner class can extend an abstract class.

    E

    An anonymous inner class can be declared as protected.


    正确答案: D,B
    解析: 暂无解析

  • 第11题:

    多选题
    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.


    正确答案: E,B
    解析: 暂无解析

  • 第12题:

    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.


    正确答案: C
    解析: 暂无解析

  • 第13题:

    package foo;  public class Outer {  public static class Inner {  }  }   Which statement is true?() 

    • A、 Compilation fails.
    • B、 An instance of the Inner class can be constructed with “new Outer.Inner()”.
    • C、 An instance of the Inner class cannot be constructed outside of package foo.
    • D、 An instance of the Inner class can be constructed only from within the Outer class.
    • E、 From within the package foo, and instance of the Inner class can be constructed with “new Inner()”.

    正确答案:B

  • 第14题:

    package foo; public class Outer (  public static class Inner (  )  )   Which statement is true? () 

    • A、 An instance of the Inner class can be constructed with “new Outer.Inner ()”
    • B、 An instance of the inner class cannot be constructed outside of package foo.
    • C、 An instance of the inner class can only be constructed from within the outer class.
    • D、 From within the package bar, an instance of the inner class can be constructed with “new inner()”

    正确答案:A

  • 第15题:

    Which the following two statements are true?()

    • A、 An inner class may be declared as static.
    • B、 An anonymous inner class can be declared as public.
    • C、 An anonymous inner class can be declared as private.
    • D、 An anonymous inner class can extend an abstract class.
    • E、 An anonymous inner class can be declared as protected.

    正确答案:A,D

  • 第16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.

    正确答案:C

  • 第17题:

    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.

    正确答案:C,E

  • 第18题:

    Which declaration prevents creating a subclass of an outer class?()  

    • A、 Static class FooBar{}
    • B、 Private class FooBar{}
    • C、 Abstract public class FooBar{}
    • D、 Final public class FooBar{}
    • E、 Final abstract class FooBar{}

    正确答案:D

  • 第19题:

    单选题
    1. public class Outer{  2. public void someOuterMethod() {  3. // Line 3  4. }  5. public class Inner{}  6. public static void main( String[]argv ) {  7. Outer o = new Outer();  8. // Line 8  9. }  10. }  Which instantiates an instance of Inner?()
    A

     new Inner(); // At line 3

    B

     new Inner(); // At line 8

    C

     new o.Inner(); // At line 8

    D

     new Outer.Inner(); // At line 8


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    Which statement is true?()
    A

     An anonymous inner class may be declared as final.

    B

     An anonymous inner class can be declared as private.

    C

     An anonymous inner class can implement multiple interfaces.

    D

     An anonymous inner class can access final variables in any enclosing scope.

    E

     Construction of an instance of a static inner class requires an instance of the enclosing outer class.


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    During class, the teacher draws a flow chart on the blackboard to show the structure and its inner connection of a passage.What class do you think is it most possible be?
    A

    Word class.

    B

    Reading and speaking class.

    C

    Grammar class.

    D

    Phonetics class.


    正确答案: A
    解析:

  • 第22题:

    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.


    正确答案: C
    解析: 暂无解析

  • 第23题:

    多选题
    Which the following two statements are true?()
    A

    An inner class may be declared as static.

    B

    An anonymous inner class can be declared as public.

    C

    An anonymous inner class can be declared as private.

    D

    An anonymous inner class can extend an abstract class.

    E

    An anonymous inner class can be declared as protected.


    正确答案: D,E
    解析: 暂无解析