Java示例集合到数组

import java.util.*;



public class CollectionToArray{

   public static void main(String[] args){

      List<String> list = new ArrayList<String>();

      list.add("This ");

      list.add("is ");

      list.add("a ");

      list.add("good ");

      list.add("program.");

      String[] s1 = list.toArray(new String[0]);



      for(int i = 0; i< s1.length; ++i) {

         String contents = s1[i];

         System.out.print(contents);

      }

   }

}