HashSet<String> set =
new HashSet<String>(Arrays.asList(new String[]{"Java","J2EE",null})) ; Iterator<String> setInterator = set.iterator() ;
while(setInterator.hasNext()){
System.out.println(setInterator.next()) ;
}
Answers:
A) NullPointerException
B) HashSet doesn't allow null
C) Runtime Exception
D) Java
J2EE
No comments:
Post a Comment