/**
 * This class fixes the autoboxing inefficiency from Autobox.java
 * 
 * @author Sara Sprenkle
 */
public class AutoboxFixed {

	/**
	 * Called when user runs java AutoboxFixed
	 */
	public static void main(String[] args) {
	    long startTime = System.currentTimeMillis();

	    long sum = 0L;
	    for (long i = 0; i < Integer.MAX_VALUE; i++) {
		sum += i;
	    }
	    System.out.println(sum);

	    long finishTime = System.currentTimeMillis();
	    double seconds = (finishTime - startTime)/1000.0;
	    System.out.println("Elapsed time: " + seconds + " s");
	}
}