list to array public class Test { public static void main(String[] args) { List<String> list=new ArrayList<String>(); list.add("王利虎"); list.add("张三"); list.add("李四"); int size=list.size(); String[] array = (String[])list.toArray(new String[size]); for(int i=0;i<array.length;i++){ System.out.println(array[i]); } } }
array to list public static void main(String[] args) { String[] array=new String[3]; array[0]="王利虎"; array[1]="张三"; array[2]="李四"; List<String> list=Arrays.asList(array); for(int i=0;i<list.size();i++){ System.out.println(list.get(i)); }
第三方工具: