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10. interface Foo {  11. int bar();  12. }  13.  14. public class Beta {  15.  16. class A implements Foo {  17. public int bar() { return 1; }  18. }  19.  20. public int fubar( Foo foo) { return foo.bar(); }  21.  22. public void testFoo() {  23.  24. class A implements Foo {  25. public int bar() { return 2; }  26. }  27.  28. System.out.println( fubar( new A())); 29. }  30.  31. public static void main( String[] argv) {  32. new Beta().testFoo();  33. }  34. }  Which three statements are true?()

发布日期:2020-04-10

10. interface Foo {  11. int bar();  12. }  13.  1...
A

Compilation fails.

B

The code compiles and the output is 2.

C

If lines 16, 17 and 18 were removed, compilation would fail.

D

If lines 24, 25 and 26 were removed, compilation would fail.

E

If lines 16, 17 and 18 were removed, the code would compile and the output would be 2.

F

If lines 24, 25 and 26 were removed, the code would compile and the output would be 1.

标签: interface foo int bar public

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