1. import java.util.*; <br /> 2. public class Test { <br /> 3. public static void main(String[] args) { <br /> 4. List<string> strings = new ArrayList<string>(); <br /> 5. // insert code here <br /> 6. } <br /> 7. } <br /> Which four, inserted at line 5, will allow compilation to succeed?()</string></string>
A、 String s = strings.get(0);
B、 Iterator i1 = strings.iterator();
C、 String[] array1 = strings.toArray();
D、 Iterator
E、 String[] array2 = strings.toArray(new String[1]);
F、 Iterator