
BufferedWriter의 출력방식을 좀 더 공부해야 봐야겠다.
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int t = Integer.parseInt(br.readLine());
for(int i = 1 ; i <= t ; i++) {
StringTokenizer st = new StringTokenizer(br.readLine()," ");
int a = Integer.parseInt(st.nextToken());
int b = Integer.parseInt(st.nextToken());
bw.write("Case #" + i + ": " + a +" + " + b + " = " + ( a + b ) +"\n");
}
bw.flush();
bw.close();
br.close();
}
}