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Categories / Java / Collections Data Structure

 

Looping through a Collection object

import java.util.ArrayList; import java.util.Iterator; public class Main {   public static void main(String[] args) {     ArrayList<String> list = new ArrayList<String>();     list.add("Monday");     list.add("Tuesdag");     list.add("Wednesday");     list.add("Thursday");     list.add("Friday");     list.add("Saturday");     list.add("Sunday");     Iterator<String> iterator = null;     iterator = list.iterator();     while (iterator.hasNext()) {       String element = iterator.next();       System.out.println(element);     }     for (iterator = list.iterator(); iterator.hasNext();) {       String element = iterator.next();       System.out.println(element);     }     for (String element : list) {       System.out.println(element);     }   } } /* Monday Tuesdag Wednesday Thursday Friday Saturday Sunday Monday Tuesdag Wednesday Thursday Friday Saturday Sunday Monday Tuesdag Wednesday Thursday Friday Saturday Sunday */