1928. Base64 Decoder

package oSWExpertAcademy;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Base64;

public class D2_1928 {
    public static void main(String[]args) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        try {
            int testCase= Integer.parseInt(br.readLine());
            for(int tc=1; tc<=testCase; tc++) {
                //input 
                String encoded = br.readLine();
                //output >> java에는 Base64 라이브러리가 내장되어 있어서 쉽게구현이 가능하다. 
                String decoded = new String(Base64.getDecoder().decode(encoded));
                System.out.println("#"+tc+" "+decoded);
            }//testCase For문 
        } catch (NumberFormatException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}