java 去掉txt里的空格和回车符代码怎么写

Question

如题所述

Answer 1

String filePath = "D://111//11.txt";
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(filePath)));
while((str=br.readLine())!=null) {
String s =str;
s.replace("\r","");
s.replace("\t","");

}