1.public class Test { 2.public static void main （Strin

单项选择题

1.public class Test {
2.public static void main （String args[]） {
3.class Foo {
4.public int i = 3；
5.}
6.Object o = （Object） new Foo（）；
7.Foo foo = （Foo）o；
8.System.out.printIn（foo. i）；
9. }
10.}
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.

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