题解 | #修改Data类的定义#

import java.util.Scanner;

public class Main {
  
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            Data data = new Data(x, y);
            System.out.println(data.getX() + data.getY());
        }
    }
    //创建内部类和构造方法
    static class Data{
        private int x;
        private int y;
        public Data(int x, int y) {
        this.x = x;
        this.y = y;
    }

    private int getX() {
        return x;
    }

    private int getY() {
        return y;
    } 
    }

}