different ways to looping over ArrayList

gistfile1.java

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
 
public class Test {
    public static void main(String[] args) {
        
		List<String> list = new ArrayList<>();
		list.add("http://stackoverflow.com");
		list.add("http://github.com");
		list.add("http://habrahabr.ru");
        
		System.out.println("normal for loop");
		for (int i = 0; i < list.size(); i++) {
			System.out.println(list.get(i));
		}
 
		System.out.println("The For-Each Loop");
		for (String temp : list) {
			System.out.println(temp);
		}
 
		System.out.println("while loop");
		int j = 0;
		while (list.size() > j) {
			System.out.println(list.get(j));
			j++;
		}
 
		System.out.println("iterating over a collection");
		Iterator<String> iterator = list.iterator();
		while (iterator.hasNext()) {
			System.out.println(iterator.next());
		}
	}
}