今天写代码碰到的,记录一下:
List<Long> list = new ArrayList<>();
Long[] skuIds = list.toArray(new Long[list.size()]);
list转String :
List<String> list = new ArrayList<String>();
list.add("a1");
list.add("a2");
String[] toBeStored = list.toArray(new String[list.size()]);
for (String str : toBeStored) {
System.out.println(str);
}
运行结果为: