gistfile1.java

public static void println(String string, int radix) {
    byte[] bytes = string.getBytes();
    for (byte b : bytes) {
        System.out.print(Integer.toString(b, radix));
    }
    System.out.println();
}

public static void printlnBinary(String string) {
    println(string, 2);
}

// usage:

String message = "Hello World!";
printlnBinary(message);