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单项选择题 public class Test {   public static void main (String args) {   class Foo {   public int i = 3;  }   Object o = (Object) new Foo();   Foo foo = (Foo)o;   System.out.printIn(foo. i);  }   }   What is the result?()  

A、 Compilation will fail.

B、 Compilation will succeed and the program will print “3”

C、 Compilation will succeed but the program will throw a ClassCastException at line 6.

D、 Compilation will succeed but the program will throw a ClassCastException at line 7.

  • B
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