import java.util.*;

public class CollectionToArray{
	public static void main(String[] args){
		List<String> list = new ArrayList<String>();
		list.add("This "); 
		list.add("is "); 
		list.add("a ");
		list.add("good ");
		list.add("boy.");
		String[] s1 = list.toArray(new String[0]); //Collection to array 
		for(int i = 0; i < s1.length; ++i){
			String contents = s1[i];
			System.out.print(contents);
		} 
	}
}