单项选择题
1. interface foo {
2. int k = 0；
3. }
4.
5. public class test implements Foo （
6. public static void main（String args[]） （
7. int i；
8. Test test = new test （）；
9. i= test.k；
10.i= Test.k；
11.i= Foo.k；
12.）
13.）
14.
What is the result？（）
A. Compilation succeeds.
B. An error at line 2 causes compilation to fail.
C. An error at line 9 causes compilation to fail.
D. An error at line 10 causes compilation to fail.
E. An error at line 11 causes compilation to fail.
相关考题
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单项选择题
1. public class enclosingone （ 2. public class insideone{} 3. ） 4. public class inertest（ 5. public static void main （string[]args）（ 6. enclosingone eo= new enclosingone （）； 7. //insert code here 8. ） 9. ） 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（）； -
单项选择题
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（）” -
多项选择题
Whichtwodemonstratean“isa”relationship？（）
A. public interface Person { } public class Employee extends Person { }
B. public interface Shape { } public class Employee extends Shape { }
C. public interface Color { } public class Employee extends Color { }
D. public class Species { } public class Animal （private Species species；）
E. interface Component { } Class Container implements Component （ Private Component[ ] children； ）
