Question

How to encoding and decoding URL in Java

Answer 1

import java.io.UnsupportedEncodingException;
import java.util.Base64;
import java.util.Base64.Encoder;

public class MyClass {
    public static void main(String args[]) throws UnsupportedEncodingException {
        String url =  "https://www.collectivesolver.com";

        byte[] bytes_array = url.getBytes("UTF-8");
        
        Encoder encoder = Base64.getUrlEncoder();
        String encode_string = encoder.encodeToString(bytes_array);
        System.out.println(encode_string);

        String decode_string = new String(Base64.getUrlDecoder().decode(encode_string));
        System.out.println(decode_string);
    }
}




/*
run:

aHR0cHM6Ly93d3cuY29sbGVjdGl2ZXNvbHZlci5jb20=
https://www.collectivesolver.com

*/

 

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Answer 2

import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.io.UnsupportedEncodingException;

public class MyClass {
    public static void main(String args[]) throws UnsupportedEncodingException {
        String url =  "https://www.shortinfos.com";

        String encodeUrl = URLEncoder.encode(url, StandardCharsets.UTF_8.toString());
        System.out.println(encodeUrl);
 
        String decodedUrl = URLDecoder.decode(encodeUrl, "UTF-8");
        System.out.println(decodedUrl);
    }
}
 
 
 
 
/*
run:
 
https%3A%2F%2Fwww.shortinfos.com
https://www.shortinfos.com
 
*/

 

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