我们可以通过读取字符串中的段落来读取文件中的段落,然后根据“ \ r \ n”模式进行分割。请参阅下面的示例-
在类路径中请看以下文本文件。
test.txt
This is Line 1
This is Line 2
This is Line 3
This is Line 4
This is Line 5
This is Line 6
This is Line 7
This is Line 8
This is Line 9
This is Line 10
测试器
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
public class Tester {
public static void main(String args[]) throws IOException {
FileUtil fileUtil = new FileUtil();
System.out.println("No. of paragraphs in file: " + fileUtil.getParaCount());
}
}
class FileUtil {
private static final String FILE_PATH = "data.txt";
public static int getParaCount() throws IOException {
File file = new File(FILE_PATH);
FileInputStream fileStream = new FileInputStream(file);
byte[] byteArray = new byte[(int)file.length()];
fileStream.read(byteArray);
String data = new String(byteArray);
String[] paragraphs = data.toString().split("\r\n\r\n");
return paragraphs.length;
}
}
这将产生以下结果-
输出结果
No. of paragraphs in file: 5