Given:
import java.util.*;
public class Ref {
public static void main(String[] args) {
StringBuilder s1 = new StringBuilder("Hello Java!");
String s2 = s1.toString();
List<String> lst = new ArrayList<String>();
lst.add(s2);
System.out.println(s1.getClass());
System.out.println(s2.getClass());
System.out.println(lst.getClass());
}
}
What is the result?

Given the following array:

Which two code fragments, independently, print each element in this array? (Choose two.) A:

B:

C:

D:

E:

F:

Given:

What is the result?

Given the code fragment:

Which option can replace xxx to enable the code to print 135?

Which three statements describe the object-oriented features of the Java language?