java base64 encode/decode

/**
 * @author lautturi.com
 * Java example: base64 encode/decode example
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
		
		String str = "lautturi java";
	    byte[] encoder = Base64.getEncoder().encode(str.getBytes());
	    String b64 = new String(encoder);
	    System.out.println(b64);
	    
	    byte[] decoder = Base64.getDecoder().decode(b64);
	    String str2 = new String(decoder);
	    System.out.println(str2);
        
	}
}

output:

bGF1dHR1cmkgamF2YQ==
lautturi java