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]);
		}
	}
}