layout: post title: shell date: 2017-06-18 weather: cloudy categories: Java tags: [Java] description: —

Loop ArrayList

package com.mkyong.core;

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

public class ArrayListLoopingExample {
    public static void main(String[] args) {

        List<String> list = new ArrayList<String>();
        list.add("Text 1");
        list.add("Text 2");
        list.add("Text 3");

        System.out.println("#1 normal for loop");
        for (int i = 0; i < list.size(); i++) {
            System.out.println(list.get(i));
        }

        System.out.println("#2 advance for loop");
        for (String temp : list) {
            System.out.println(temp);
        }

        System.out.println("#3 while loop");
        int j = 0;
        while (list.size() > j) {
            System.out.println(list.get(j));
            j++;
        }

        System.out.println("#4 iterator");
        Iterator<String> iterator = list.iterator();
        while (iterator.hasNext()) {
            System.out.println(iterator.next());
        }
    }
}