Phương thức getBytes() trong Java String

    public byte[] getBytes()  
    public byte[] getBytes(Charset charset)  
    public byte[] getBytes(String charsetName)throws UnsupportedEncodingException  

public class StringGetBytesExample {
 public static void main(String args[]) {
  String s1 = "ABCDEFG";
  byte[] barr = s1.getBytes();
  for (int i = 0; i < barr.length; i++) {
   System.out.println(barr[i]);
  }
 }
}