CompareJavaBase64Util.java

public class CompareJavaBase64Util {
    public static void main(String[] args) {
        String str_1 = "abcABC123+-*/";
        String str_2 = "YWJjQUJDMTIzKy0qLw==";

        long l_1 = System.currentTimeMillis();

        for (int i = 0; i < 10000; i++) {
            String encode_str_jdk = java.util.Base64.getEncoder().encodeToString(str_1.getBytes());
            byte[] decode_byte_jdk = java.util.Base64.getDecoder().decode(str_2);
            // System.out.println(encode_str_jdk);
            // System.out.println(new String(decode_byte_jdk));
        }

        long l_2 = System.currentTimeMillis();

        for (int i = 0; i < 10000; i++) {
            String encode_str_guava = com.google.common.io.BaseEncoding.base64().encode(str_1.getBytes());
            byte[] decode_byte_guava = com.google.common.io.BaseEncoding.base64().decode(str_2);
            //System.out.println(encode_str_guava);
            //System.out.println(new String(decode_byte_guava));
        }

        long l_3 = System.currentTimeMillis();
        // java.util.Base64: 48 39 47
        System.out.println("java.util.Base64: " + (l_2 - l_1));
        // BaseEncoding.base64: 105 123 203
        System.out.println("com.google.common.io.BaseEncoding: " + (l_3 - l_2));
    }
}