class Getbyte
{
public static void main(String[]args)
{
    String str = "abcdefgh";
     //存进bayte数组.
    byte[] by =str.getByte();
  //遍历
  for(int i = 0 ; i <by.length; i++){
  //强转.
  char c = (char) by[i];
System.out.println(c);
}
}
}

class Getbyte
{
public static void main(String[]args)
{
    String str = "abcdefgh";
     //存进bayte数组.
    byte[] by =str.getByte();
  //遍历
  for(int i = 0 ; i <by.length; i++){
  //强转.
  char c = (char) by[i];
System.out.println(c);
}
}
}