Java tutorial
import java.io.ByteArrayOutputStream; import java.io.DataOutputStream; import java.io.IOException; public class Main { public static void main(String[] args) throws IOException { int[] buf = { 65, 66, 67, 68, 69, 70, 71 }; ByteArrayOutputStream baos = new ByteArrayOutputStream(); DataOutputStream dos = new DataOutputStream(baos); for (int i : buf) { dos.write(i); } dos.flush(); for (byte b : baos.toByteArray()) { char c = (char) b; System.out.print(c); } } }