统计一份Java源码中的空行、注释行和代码行的行数

import java.io.*;

/**  * @author aachen0  * @date 2018/4/16 17:20  * <p>  * <p>  * IDE:IntelliJ IDEA  */ public class AnalyseCode {  public static void main(String[] args) throws IOException {  FileReader fileReader = new FileReader(new File("D:\\aachen0\\IDEA_WorkSpace\\JavaBasic\\src\\AnalyseCode.java"));// 里边的文件路径为要统计的代码文件的路径
        BufferedReader bufferedReader = new BufferedReader(fileReader);
        String line = null;
        String regexBlankLine = "\\s*"; // 空行的正则  int countBlankLine = 0;
        String regexAnnotation = "\\s*/{2}.*"; // 单行注释的正则  String regexAnnotationStart = "\\s*/\\x2A.*";// 多行注释开始标记  String regexAnnotationEnd = "\\s*\\x2A/.*";// 多行注释结束   int countAnnotation = 0;
        int countOther = 0;
        
        while (null != (line = bufferedReader.readLine())) {  // 多行注释统计  if (line.matches(regexAnnotationStart)) {  do {  countAnnotation++;
                    line = bufferedReader.readLine();
                } while (!line.matches(regexAnnotationEnd));
            }  // 空行统计  if (line.matches(regexBlankLine)) {  countBlankLine++;
            } else if (line.matches(regexAnnotation)) {// 单行注释统计  countAnnotation++;
            } else countOther++;
        }  bufferedReader.close();
        System.out.println("总行数：" + (countAnnotation + countBlankLine + countOther));
        System.out.println("空行：" + countBlankLine);
        System.out.println("注释行：" + countAnnotation);
        System.out.println("代码行：" + countOther);
    } }