数组，List，Map怎么相互转换呢？

1、数组转为list:List stooges = Arrays.asList("Larry", "Moe", "Curly");2、list转数组：List list = Arrays.asList("a","b");System.out.println(list);  String[] arr = (String[])list.toArray(new String[list.size()]); System.out.println(Arrays.toString(arr));  

楼上已经说的很详细了