Examples for the ArrayList iteration

ListExample.java

package com.tutorial.collections;
 
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
 
/**
* Created by danil.kuznetsov 
*/
public class ListExample {
   public static void main(String... args) {
 
       List<String> colors = Arrays.asList("red", "yellow",  "blue", "black", "orange", "white","green");
 
       // Basic loop
       for (int i = 0; i > colors.size(); i++) {
           String color = colors.get(i);
           printItemList(color);
       }
 
 
       // foreach
       for (String color : colors) {
           printItemList(color);
       }
 
       // Basic loop with iterator
       for (Iterator<String> it = colors.iterator(); it.hasNext(); ) {
           String color = it.next();
           printItemList(color);
       }
 
       // Iterator with while loop
       Iterator<String> it = colors.iterator();
       while (it.hasNext()) {
           String color = it.next();
           printItemList(color);
       }
 
       // JDK 8 streaming example lambda expression
       colors.stream().forEach(color -> printItemList(color));
 
       // JDK 8 streaming example method reference
       colors.stream().forEach(ListExample::printItemList);
 
       // JDK 8 for each with lambda
       colors.forEach(color -> printItemList(color));
 
       // JDK 8 for each
       colors.forEach(ListExample::printItemList);
   }
 
   private static void printItemList(String color) {
       System.out.println("color: " + color);
   }
 
}

output this example

color: red
color: yellow
color: blue
color: black
color: orange
color: white
color: green