Java 实例 - 集合转数组

/*
 author by w3cschool.cc
 Main.java
 */

import java.util.*;

public class Main{
   public static void main(String[] args){
      List<String> list = new ArrayList<String>();
      list.add("菜"); 
      list.add("鸟"); 
      list.add("教");
      list.add("程");
      list.add("www.w3cschool.cc");
      String[] s1 = list.toArray(new String[0]); 
      for(int i = 0; i < s1.length; ++i){
         String contents = s1[i];
         System.out.print(contents);
     } 
   }
}