Foreach test

gistfile1.java

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

public class Main {

	public static void main(String[] args) {
		List<Object> list = new ArrayList<>();

		for (int i = 0; i < 100000000; ++i) {
			list.add(null);
		}

		long start = System.nanoTime();

		for (int i = 0; i < 10; ++i) {
			for (Object object : list) {

			}
		}

		System.out.println("foreach: " + (System.nanoTime() - start) / 1000);

		start = System.nanoTime();
		
		for (int i = 0; i < 10; ++i) {
			for (int j = 0; j < 100000000; ++j) {
				Object object = list.get(j);
			}
		}

		System.out.println("index: " + (System.nanoTime() - start) / 1000);
	}

}