import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class ArrayListDemo {
public static void main(String[] args) {
List list = new ArrayList<>();
list.add("Hello");
list.add("World");
list.add("Haha");
//第一ç§é历方法使用foreaché历List
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
for (String str :
list) {
System.out.println(str);
}
//第二ç§é历，把链表å˜ä¸ºæ•°ç»„相关的内容进行é历
String[] strArray = new String[list.size()];
list.toArray(strArray);
for (int i = 0; i < strArray.length; i++) {
System.out.println(strArray[i]);
}
for (String str :
strArray) {
System.out.println(str);
}
//第三ç§é历 使用è¿ä»£å™¨è¿›è¡Œç›¸å…³é历
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
System.out.println(iterator.next());
}
System.out.println("---------------");
}
}