将txt文件转换为String[][]

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class TxtToStringArray {

    public static void main(String[] args) {
        String[][] result = convertTxtToStringArray("file.txt");
        // 输出结果
        for (String[] row : result) {
            for (String element : row) {
                System.out.print(element + " ");
            }
            System.out.println();
        }
    }

    public static String[][] convertTxtToStringArray(String filePath) {
        List<String[]> rows = new ArrayList<>();

        try (BufferedReader br = new BufferedReader(new FileReader(filePath))) {
            String line;
            while ((line = br.readLine()) != null) {
                String[] row = line.split(" "); // 根据实际分隔符进行分割
                rows.add(row);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        String[][] result = new String[rows.size()][];
        return rows.toArray(result);
    }
}