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一些基础的东西,写一遍过过手,免的忘了
List<String> list = new ArrayList<String>();
list.add("l1");
list.add("l2");
list.add("l3");
//list转数组
int size = list.size();
String[] arr =list.toArray(new String[size]);
for (String string : arr)
{
System.out.println(string);
}
//数组转list
System.out.println("------------------------");
List<String> liststring =Arrays.asList(arr);
for (String string : liststring)
{
System.out.println(string);
}