Code Puzzler - Different Behaviour in Java and Groovy

codepuzzler.java

package betsy;

public class CodePuzzler {

    public static void main(String[] args) {
        // init array
        String[] array = new String[2];
        array[0] = "One";
        array[1] = "Two";

        // iterate and print in thread
        for(final String element : array){
            new Thread() {
                public void run() {
                    System.out.println(element);
                }
            }.start();
        }
    }
}