Java example of URLEncoder and URLDecoder (encode, decode, UTF8, UTF-8)

import java.io.UnsupportedEncodingException;

import java.net.URLDecoder;

import java.net.URLEncoder;

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public class Example {

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    public static void main(String[] args) throws UnsupportedEncodingException {

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        String text = "ą ę";

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        // spaces are encoded as '+'

        String encodedParam = URLEncoder.encode(text, "UTF-8");

        System.out.println(encodedParam); // %C4%85+%C4%99

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        String decode = URLDecoder.decode(encodedParam, "UTF-8");

        System.out.println(decode); // ą ę

    }

}