public class Test{
public static void main(String[] args){
String foo=args[1];
Sring bar=args[2];
String baz=args[3];
}
}
java Test Red Green Blue
what is the value of baz?
A. baz has value of ""
B. baz has value of null
C. baz has value of "Red"
D. baz has value of "Blue"
E. baz has value of "Green"
F. the code does not compile
G. the program throw an exception
ANS: G
求解中
public static void main(String[] args){
String foo=args[1];
Sring bar=args[2];
String baz=args[3];
}
}
java Test Red Green Blue
what is the value of baz?
A. baz has value of ""
B. baz has value of null
C. baz has value of "Red"
D. baz has value of "Blue"
E. baz has value of "Green"
F. the code does not compile
G. the program throw an exception
ANS: G
求解中
java Test Red Green Blue数组是从0开始的args[0] = Red;
args[1] = Green;
args[2] = Blue;因为args[3] = null空值就会出现异常