java - 在文本文档中查找以 notification 开头的行并将其删除

Question

我正在尝试从测试文档中删除以 public 开头的行。我已尝试以下操作，但 public 行未被删除。我该如何修复它？我感谢任何帮助。

简单:

In less than a week,
public face of FIFA

has gone from something resembling

an old-style Communist Party rally
 to what looks more like a scene from

代码:

try (PrintWriter writer = new PrintWriter("D:\\hl_sv\\" + newName);

        Scanner scanner = new Scanner(file)) {
            while (scanner.hasNextLine()) {
                String line = scanner.nextLine();
                if (!line.equals("public")) {

                    writer.println(line);
                    writer.flush();
                }


            }
        } catch (Exception e) {
            e.printStackTrace();
        }

Answer 1

您需要使用String#startsWith(String str):

if (!line.startsWith("public")) {

equals 检查整行是否等于public。