java loop through list

1Iterator itr=list.iterator();
2while(itr.hasNext()){
3 system.out.println(itr.next); 
4}

1for (int i = 0; i < crunchifyList.size(); i++) {
2            System.out.println(crunchifyList.get(i));
3        }

1// will iterate through each index of the array list
2// using the size of the array list as the max.
3// (the last index is the size of the array list - 1)
4
5for (int i = 0; i < myArrayList.size(); i++) {
6  
7  System.out.println(myArrayList.get(i));
8  // will print each index as it loops
9}  

1for (E element : list) {
2    . . .
3}
4

1Iterator<String> crunchifyIterator = crunchifyList.iterator();
2        while (crunchifyIterator.hasNext()) {
3            System.out.println(crunchifyIterator.next());
4        }

1import java.util.ArrayList;
2import java.util.Iterator;
3
4public class IteratorSample {
5   public static void main(String[] args) {
6      ArrayList<String> list = new ArrayList<String>();
7      list.add("JavaFx");
8      list.add("Java");
9      list.add("WebGL");
10      list.add("OpenCV");
11      Iterator iterator = list.iterator();
12      while(iterator.hasNext()) {
13         System.out.println(iterator.next());
14      }
15   }
16}