Collection convert to array in java

CollectionToArray.java

import java.util.ArrayList;
import java.util.Collection;

public class CollectionToArray {

    public static void main(String[] args) {
        Collection<String> collection = new ArrayList<String>();
        collection.add("jack");
        collection.add("john");
        collection.add("jason");
        String[] array = new String[collection.size()];
        collection.toArray(array);
        System.out.println(array);
    }
}