Java:从输入文件填充二维数组

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] args) {
        // 定义文件路径
        String filePath = "input.txt";
        
        // 定义二维数组的行数和列数
        int rows = 3;
        int cols = 3;
        
        // 创建二维数组
        int[][] array = new int[rows][cols];
        
        // 读取文件内容并填充二维数组
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(filePath)))) {
            String line;
            int row = 0;
            while ((line = reader.readLine()) != null && row < rows) {
                String[] values = line.split(",");
                for (int col = 0; col < cols && col < values.length; col++) {
                    array[row][col] = Integer.parseInt(values[col]);
                }
                row++;
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        // 打印二维数组
        for (int[] row : array) {
            for (int value : row) {
                System.out.print(value + " ");
            }
            System.out.println();
        }
    }
}