demo java code

DemoJavaCode.java

public static boolean isOdd(int val) {
    return (val & 1) != 0;
}

public static boolean isEven(int val) {
    return !isOdd(val);
}

isSameDate

public static boolean isSameDate(String date) throws ParseException {
    Date today = new Date();
    Date target = DateFormat.getDateInstance().parse(date);

    Calendar todayCalendar = Calendar.getInstance();
    todayCalendar.setTime(today);

    Calendar targetCalendar = Calendar.getInstance();
    targetCalendar.setTime(target);

    boolean isSameYear = todayCalendar.get(Calendar.YEAR) == targetCalendar.get(Calendar.YEAR);
    boolean isSameMonth = isSameYear && todayCalendar.get(Calendar.MONTH) == targetCalendar.get(Calendar.MONTH);
    boolean isSameDate = isSameMonth && todayCalendar.get(Calendar.DAY_OF_MONTH) == targetCalendar.get(Calendar.DAY_OF_MONTH);

    return isSameDate;
}

proxyTest

public static void proxy() throws IOException {
    URL url = new URL("http://www.test.com/");
    InetSocketAddress address = new InetSocketAddress("127.0.0.1", 8080);
    Proxy proxy = new Proxy(Proxy.Type.HTTP, address);
    Authenticator.setDefault(new MyAuthenticator(new String("root".getBytes("UTF-8")), new String("password".getBytes("UTF-8"))));
    HttpURLConnection connection = (HttpURLConnection) url.openConnection(proxy);
    InputStreamReader in = null;
    BufferedReader reader = null;
    try {
        in = new InputStreamReader(connection.getInputStream());
        reader = new BufferedReader(in);
        StringBuffer buffer = new StringBuffer();
        String line;
        while ((line = reader.readLine()) != null) {
            buffer.append(line);
        }
        System.out.println(buffer);
    } finally {
        if (in != null) {
            in.close();
        }
        if (reader != null) {
            reader.close();
        }
    }
}