Language Fundamentals

Question : 10 of 24

Marks: +1, -0

Click the Exhibit button.
Which three statements are true? (Choose three.)

1.interface Foo {   
2.  int bar();   
3.}   
4.public class Beta {   
5.  class A implements Foo {    
6.   public int bar() {return 1;}   
7.  }   
8.  public int fubar( Foo foo ) {return foo.bar();}   
9.  public void testFoo() {   
10.   class A implements Foo {   
11.    public int bar() {return 2;}   
12.   }   
13.   System.out.println(fubar ( new A() ) );   
14.  }   
15.  public static void main( String[] argv) {   
16.   new Beta().testFoo();   
17.  }   
18.}

Compilation fails.
The code compiles and the output is 2.
If lines 5, 6 and 7 were removed, compilation would fail.
If lines 10, 11 and 12 were removed, compilation would fail.
If lines 5, 6 and 7 were removed, the code would compile and the output would be 2.
If lines 10, 11 and 12 were removed, the code would compile and the output would be 1.

Validate

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