백준 11021 :: A+B-7

 

 

 

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import java.io.*;
import java.util.StringTokenizer;

public class Main{
    public static void main(String[] args) throws IOException{
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        int n = Integer.parseInt(bf.readLine());

        StringTokenizer st;
        StringBuilder sb = new StringBuilder();
        int sum = 0;

        for(int i = 1; i < n+1; i++){
            st = new StringTokenizer(bf.readLine(), " ");
            sum = Integer.parseInt(st.nextToken()) + Integer.parseInt(st.nextToken());
            sb.append("Case #" + i + ": " + sum);
            if(i != n) sb.append('\n');
        }

        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        bw.write(sb.toString());
        bw.flush();
        bw.close();
    }
}

 

 

 

import java.io.*;
import java.util.StringTokenizer;

public class Main{
    public static void main(String[] args) throws IOException{
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        int n = Integer.parseInt(bf.readLine());

        StringTokenizer st;
        StringBuilder sb = new StringBuilder();
        int sum = 0;

        for(int i = 1; i < n+1; i++){
            st = new StringTokenizer(bf.readLine(), " ");
			// 이 부분에서 바로 출력
            1. System.out.println 
            2. StringBuilder 사용해서 한 문자열로 만든 다음에 for 문 밖에서 sout로 출력
            3. BufferedWriter 사용해서 한 줄씩 출력
            	bw.write("Case #"+i+": ");
				bw.write(Integer.parseInt(st.nextToken())
					+Integer.parseInt(st.nextToken())+"\n");
        }


    }
}