/*先获目标文本,在读取其中的文字信息,然后设置成数组,进行遍历筛选,最后得到个数,
* 再获取存储文本信息,然后写入文本//文本选用字符流
* */
public static void main(String[] args) throws IOException {
BufferedReader bis=new BufferedReader(
new FileReader(“a.txt”));
BufferedWriter bos=new BufferedWriter(
new FileWriter(“key.txt”));
char[] ch;
int num=0;
String b;
Character c1;
while ((b=bis.readLine())!=null) {//等于null跳出循环
ch=b.toCharArray();
for (char c : ch) {
c1=c;
if (“我”.equals(c1.toString())) {
bos.write(c1.toString());
num++;
}
}
}
bos.newLine();
bos.write(num+" ");
bis.close();
bos.close();
}
}
io流文件内容读取某个字符出现的个数案例
最新推荐文章于 2024-09-12 21:04:39 发布