加密算法对比

public static void (String str) {
    String code = Base64.getEncoder().encodeToString(str.getBytes());
    System.out.println(str + " -> " + code);
}

public static void decodeBase64(String code) {
    byte[] str = Base64.getDecoder().decode(code.getBytes());
    System.out.println(code + " -> " + new String(str));
}
//aGVsbG8= -> hello