Java tutorial
import java.io.ByteArrayOutputStream; import java.io.IOException; public class Main { public static void main(String[] args) throws IOException { int size = 0; byte[] bs = { 65, 66, 67, 68, 69 }; ByteArrayOutputStream baos = new ByteArrayOutputStream(); for (byte b : bs) { baos.write(b); String str = baos.toString(); size = baos.size(); System.out.print(size + ":"); System.out.println(str); } } }