ArrayList arr = new ArrayList();
arr.add("yang");
arr.add("gao");
String[] str = (String[])arr.toArray(new String[arr.size()]);
System.out.println(str);
哈哈,very good!
ArrayList arr = new ArrayList();
arr.add("yang");
arr.add("gao");
String[] str = (String[])arr.toArray(new String[arr.size()]);
System.out.println(str);
哈哈,very good!