[Java11] A+B -5

정답

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

public class Main{
    public static void main(String[] args) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuilder sb = new StringBuilder();
        StringTokenizer st; 
        boolean tf= true;
        
        while(tf){
            st = new StringTokenizer(br.readLine(), " ");
            int a= Integer.parseInt(st.nextToken());
            int b = Integer.parseInt(st.nextToken());
            
            if(a==0 && b==0){
                tf = false;
            }else{
                sb.append(a+b).append('\n');
            }
        }
        System.out.print(sb);
    }
}

풀이

• 정확한 끝이 없으므로 while() 반복문 사용했다.