java 第一次作业（修改版）

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//计算一个java代码的总行数，空行数以及注释行数import java.io.BufferedReader;import java.io.File;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.IOException;public class jishiqi {private static int whiteLines = 0;private static int commentLines = 0;private static int normalLines = 0;public static void main(String[] args) {File f = new File("C:\\Users\\Administrator\\Workspaces\\MyEclipse 8.5\\hjp\\src\\jishiqi.java"); sumCode(f);}private static void sumCode(File file) { BufferedReader br = null; boolean comment = false; try { br = new BufferedReader(new FileReader(file)); String line = ""; try { while ((line = br.readLine()) != null) { line = line.trim(); if (line.matches("^[\\s&&[^\\n]]*$")) { whiteLines++; } else if (line.startsWith("/*") && !line.endsWith("*/")) { commentLines++; comment = true; } else if (true == comment) { commentLines++; if (line.endsWith("*/")) { comment = false; } } else if (line.startsWith("//")) { commentLines++; } else { normalLines++; } } } catch (IOException e) { e.printStackTrace(); } } catch (FileNotFoundException e) { e.printStackTrace(); } finally { if (br != null) { try { System.out.println("空行数："+whiteLines);System.out.println("注释行数："+commentLines);System.out.println("代码行数："+normalLines);long otherLine =  (whiteLines + commentLines + normalLines);System.out.println("总行数："+otherLine);br.close(); br = null; } catch (IOException e) { e.printStackTrace(); } } } }}
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