Q. What will be the output of the following code –

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

public class CopyOnWriteArrayListTest
{
public static void main (String args[])
{
List<String> copyOnWriteArrayList = new CopyOnWriteArrayList<String>();
copyOnWriteArrayList.add(” Ind “);
copyOnWriteArrayList.add(” usa “);
copyOnWriteArrayList.add(null);
for(String string : copyOnWriteArrayList)
{
System.out.print(string+””);
copyOnWriteArrayList.add(“newEle3”) ;
}
}
}

• (A) ind followed by NullPointerException
• (B) ind followed by ConcurrentModificationException
• (C) ind usa null
• (D) Compile time exception