public class StringDemo5 {
public static void main(String[] args) {
String s = "1dsfef";
byte[] b = {'a','b','c','f','d','w','t','y','u'};
char[] chs={'1','2','3','4','5','6','7','8'};
//把一个字节数组转为一个字符串 String(byte[] bytes)
String st =new String(b);
System.out.println(st);