SCJP題庫第116題

Given:

11. public class Commander{

12.   public static void main(String[] args){

13.     String myProp = /* insert code here */

14.     System.out.println(myProp);

15.   }

16. }

and the command line:

java -Dprop.custom=gobstopper Commander

Which two, placed on line 13, will produce the output gobstopper? (Choose two.)

A. System.load("prop.custom");

B. System.getenv("prop.custom");

C. System.property("prop.custom);

D. System.getProperty("prop.custom");

E. System.getProperties().getProperty("prop.custom");

 

Ans: DE

 

解說:

利用系統的屬性取值方法取得prop.custom屬性值