java字符串转为数组

public class charConversionArr {    public static void main(String[] args){        String str = "helloworld";        char[] data = str.toCharArray();// 将字符串转为数组        for (int x = 0; x < data.length; x++) {            System.out.println(data[x] + "  ");        }        System.out.println(new String(data));    }}