Java 简单 容易

import java.util.Scanner;

public class dotcpp1030 {

  public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        int arr[][] = new int[3][3];

        for(int i=0;i<3;i++) {

        for(int j=0;j<3;j++) {

        arr[i][j]=sc.nextInt();

        }

        }

        System.out.println(arr[0][0] + " " + arr[1][0] + " " + arr[2][0] +"\n" + 

        arr[0][1] + " " + arr[1][1] + " " + arr[2][1] + "\n" 

        + arr[0][2] +" " + arr[1][2] + " " + arr[2][2]);

        }

  }