You can declare an array in Java in 3 different ways.
Sample Java
int[] myArr = new int[5]; int[] myArr = {1,2,3,4,5}; int[] myArr = new int[]{1,2,3,4,5};
You can declare an array in Java in 3 different ways.
int[] myArr = new int[5]; int[] myArr = {1,2,3,4,5}; int[] myArr = new int[]{1,2,3,4,5};
To iterate throug a map in Java you can use the snippet below.
for (Map.Entry<String, Object> entry : mp.entrySet()) { String key = entry.getKey(); Object value = entry.getValue(); }
To download a website source in Java you can use the following snippet.
private static String getUrlSource(String url) throws IOException { URL website = new URL(url); URLConnection connection = website.openConnection(); BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8")); String input; StringBuilder strBuilder = new StringBuilder(); while ((input = bufferedReader.readLine()) != null){ strBuilder.append(input); } bufferedReader.close(); return strBuilder.toString(); }