1Z0-851 Exam Dumps | Given: import java.util.*; public class WrappedString { private String s; public WrappedString(String

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Question 121/260

Given:
import java.util.*;
public class WrappedString {
private String s;
public WrappedString(String s) { this.s = s; }
public static void main(String[] args) {
HashSet<Object> hs = new HashSet<Object>();
WrappedString ws1 = new WrappedString("aardvark");
WrappedString ws2 = new WrappedString("aardvark");
String s1 = new String("aardvark");
String s2 = new String("aardvark");
hs.add(ws1); hs.add(ws2); hs.add(s1); hs.add(s2);
System.out.println(hs.size()); }
}
What is the result?

A. 2

B. 4

C. An exception is thrown at runtime.

D. 1

E. 0

F. 3

G. Compilation fails.

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