Java读取txt文件，计算2011年9月份的通话时间

1. importjava.io.BufferedReader;
2. importjava.io.File;
3. importjava.io.FileInputStream;
4. importjava.io.FileReader;
5. importjava.io.IOException;
6. importjava.io.InputStream;
9. publicclasstest2{
11. /**
12. *@paramargs
13. *@throwsIOException
14. */
15. publicstaticvoidmain(String[]args)throwsIOException{
16. //TODOAuto-generatedmethodstub
17. Filefile=newFile("C:\\Users\\Administrator\\Desktop\\a.txt");
18. FileInputStreaminStream=newFileInputStream(file);
19. BufferedReaderin=newBufferedReader(newFileReader(file));
20. intcall=0,i=0;
21. Stringline=null;
22. while((line=in.readLine())!=null){
23. //System.out.println(line);
24. inta=Integer.decode(line);
25. System.out.println(a+"秒");
26. call+=a;
27. i++;
28. }
29. while(inStream.read()!=-1){
30. //System.out.println(inStream.toString());
31. //call+=inStream.read();
32. }
33. inthour=call/3600;
34. intminute=(call%3600)/60;
35. intsecond=(call%60);
36. System.out.println(call+"秒");
37. System.out.println("共有"+i+"条记录，通话时间："+hour+"小时"+minute+"分钟"+second+"秒");
38. System.out.print(hour*3600+minute*60+second+"秒");
39. }
40. }

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