ArrayList和数组间的相互转换

String s = "360001,光大量化核心,GDLHHX,1,1;360003,光大保德信货币,GDBDXHB,2,1;360008,光大增利收益A,GDZLSYA,1,1;360009,光大增利收益C,GDZLSYC,1,1";

String[] str = s.split(";");

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

String ss = str[i];

System.out.println(ss);

}

System.out.println("-------------------------------------------------");

String[] abc = new String[] { "张三", "李四", "王五" };

List<String> abcList = new ArrayList<String>(Arrays.asList(abc));

abcList.retainAll(abcList);

for (String string : abcList) {

System.out.println(string.toString());

}

System.out.println("-------------------------------------------------");

List<String> lists = Arrays.asList("张三", "李四", "王五");

for (int i = 0; i < lists.size(); i++) {

System.out.println(lists.get(i));

}

System.out.println("-------------------------------------------------");

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

list.add("王五");

list.add("张三");

list.add("李四");

int size = list.size();

String[] array = list.toArray(new String[size]);

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

System.out.println(array[i]);

}