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+package com.nick.love.myra;%0A%0Aimport java.util.Base64;%0A%0Apublic class TestBase64 %7B%0A%0A%09public static void main(String%5B%5D args) %7B%0A        Base64.Encoder encoder = Base64.getEncoder();%0A        String encoderResult = encoder.encodeToString(%22Myra is my girl.%22.getBytes());%0A        System.out.println(encoderResult);%0A        %0A        Base64.Decoder decoder = Base64.getDecoder();%0A        System.out.println(new String(decoder.decode(encoderResult)));%0A%09%7D%0A%0A%7D%0A

Create TestBase64.java