java解析txt文件获取文件列数

public class TestLine {
   
    static int lineNumber = 0;
   
    public static void main(String[] args) {
        try {
            BufferedReader reader = new BufferedReader(new FileReader("test.txt"));
            while(reader.ready()) {
                lineNumber = lineNumber + 1;
                String line = reader.readLine();
                int columnNumber = line.length();
                System.out.println("This is line " + lineNumber + " , " + columnNumber + " columns.");
            }
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
       
    }

}