试题详情
单项选择题 public class Foo {  public int a;  public Foo() { a = 3; }  public void addFive() { a += 5; }  }  and:  public class Bar extends Foo { public int a;  public Bar() { a = 8; }  public void addFive() { this.a +=5; }  }  invoked with:  Foo foo = new Bar();  foo.addFive();  System.out.println(”Value: “+ foo.a);  What is the result?() 

A、 Value: 3

B、 Value: 8

C、 Value: 13

D、 Compilation fails.

E、 The code runs with no output.

F、 An exception is thrown at runtime.

  • A
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