String新用

public class TestString {
public static void main(String[] args){
char data[] = {'a', 'b', 'c'};
String str = new String(data);//Constructs a new String by decoding the specified
array of bytes using the platform's default charset.用一个字节数组和字符集来生成spring类
System.out.println("aa:"+str);
}
}