单选题package foo； public class Outer （ public static class Inner （）） Which statement is true？（）AAn instance of the Inner class can be constructed with “new Outer.Inner （）”BAn instance of the inner class cannot be constructed outside of package foo.C

题目

单选题

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

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

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

An instance of the inner class can only be constructed from within the outer class.

From within the package bar， an instance of the inner class can be constructed with “new inner（）”

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相似问题和答案

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 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3题：

以下程序的调试结果为?

public class Outer{

public String name = "Outer";

public static void main(String argv[]){

Inner i = new Inner();

i.showName();

}

private class Inner{

String name =new String("Inner");

void showName(){

System.out.println(name);

}

A.输出结果 Outer

B.输出结果 Inner

C.编译错误，因Inner类定义为私有访问

D.在创建Inner类实例的行出现编译错误

正确答案：D

第4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5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6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7题：

public class Base { public static final String FOO = “foo”； public static void main（String[] args） { Base b = new Base（）； Sub s = new Sub（）； System.out.print（Base.FOO）； System.out.print（Sub.FOO）； System.out.print（b.FOO）； System.out.print（s.FOO）； System.out.print（（（Base）s）.FOO）； } } class Sub extends Base {public static final String FOO=bar；} What is the result？（）

A、 foofoofoofoofoo
B、 foobarfoobarbar
C、 foobarfoofoofoo
D、 foobarfoobarfoo
E、 barbarbarbarbar
F、 foofoofoobarbar
G、 foofoofoobarfoo

正确答案:D

第8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

第9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10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

package foo； public class Outer （ public static class Inner

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