Java - for

import java.util.ArrayList;
import java.util.List;

public class Test {

static int current;

public static void main(String[] args) {
final int LOOP_COUNT = 10000;
List<Integer> list = new ArrayList<Integer>(LOOP_COUNT);

for (int i = 0; i < LOOP_COUNT; i++) {
list.add(i);
}

long startTime = System.nanoTime();

int listSize = list.size();

for (int i = 0; i < listSize; i++) {
resultProcess(list.get(i));
}

long endTime = System.nanoTime();
double elaspedTime = (endTime - startTime) / 1000000.0;

System.out.println(elaspedTime);

startTime = System.nanoTime();

for (int i = 0; i < list.size(); i++) {
resultProcess(list.get(i));
}

endTime = System.nanoTime();
elaspedTime = (endTime - startTime) / 1000000.0;

System.out.println(elaspedTime);

startTime = System.nanoTime();

for (Integer i : list) {
resultProcess(i);
}

endTime = System.nanoTime();
elaspedTime = (endTime - startTime) / 1000000.0;

System.out.println(elaspedTime);
}

public static void resultProcess(int result) {
current = result;
}
}