多选题 Given that the working directory is bigApp, and the following directory structure:
bigApp
|-- classes
| |-- com
| |-- wickedlysmart
|-- source
|-- com
|-- wickedlysmart
|-- BigAppClass2.java
And the code:
1. public class BigAppClass2 {int doMore() {return 17; } }
And the following command-line invocations:
Ⅰ. javac -d source/com/wickedlysmart/BigAppClass2.java
Ⅱ. javac -d classes source/com/wickedlysmart/BigAppClass2.java
Ⅲ. javac -d classes/com/wickedlysmart source/com/wickedlysmart/ BigAppClass2. java
Which are true? (Choose all that apply.)

A、 Invocation I will compile the file and place the .class file in the bigApp directory.
B、 Invocation Ⅱ will compile the file and place the .class file in the classes directory.
C、 Invocation Ⅰ will compile the file and place the .class file in the wickedlysmart directory.
D、 Invocation Ⅱ will compile the file and place the .class file in the wickedlysmart directory.
E、 Invocation Ⅲ will compile the file and place the .class file in the wickedlysmart directory.

【正确答案】 B、E

【答案解析】