public static String code = "7890123456123456";
public static String getAge()
{
if ((code != null) || (!"".equals(code)))
{
char[] arrayOfChar1 = code.toCharArray();
char[] arrayOfChar2 = new char[code.length()];
int i = 0;
while (i < arrayOfChar1.length)
{
arrayOfChar2[i] = arrayOfChar1[(arrayOfChar1.length - 1 - i)];
i += 1;
}
return new String(arrayOfChar2);
}
return "1234567123456789";
}
public static void main(String[] paramArrayOfString)
{
System.out.println(getAge());
}
}
我也不清楚这样是不是你要的
$code='7890123456123456';