统计一个文件calcCharNum.txt（见附件）中字母‘A‘和‘a‘出现的总次数

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;/** 七&＃xff09; 统计一个文件calcCharNum.txt&＃xff08;见附件&＃xff09;中字母&＃39;A&＃39;和&＃39;a&＃39;出现的总次数* */
class IO7 {public static void main(String[] args) {File file &＃61; new File("I:\\bb.txt");BufferedReader bufr &＃61; null;try {bufr &＃61; new BufferedReader(new FileReader(file));int ch &＃61; 0;int count &＃61; 0;while ((ch &＃61; bufr.read()) !&＃61; -1) {
// if ((char)ch &＃61;&＃61; &＃39;a&＃39; || (char) ch &＃61;&＃61; &＃39;A&＃39;)if (ch &＃61;&＃61; 97 || ch &＃61;&＃61; 65)count&＃43;&＃43;;}System.out.println(count);} catch (IOException e) {e.printStackTrace();} finally {try {if (bufr !&＃61; null) {bufr.close();}} catch (IOException e) {e.printStackTrace();}}}
}