麻烦详细讲解每一句代码，刚学IO

Question

public static void main(String[] args){
    Scanner sc = new Scanner(new BufferedInputStream(System.in));
    while(sc.hasNext()){
        int m = sc.nextInt();
        String str = sc.next();
        for(int i=0; i<m; i++){
            System.out.println(sc.nextInt());
        }
    }
}

Answer 1

接收输入，循环输出