按照书中编写的,不论是改成"res/FileRWDemo.java"还是"FileRWDemo.java"
都显示找不到文件,"res/FileRWDemo.java"文件应该放在那里才能被找到
package ioStreamRW;
import java.io.*;
public class FileRWDemo {
public static void main(String[] args) {
try {
FileReader fileReader = new FileReader("res/FileRWDemo.java"); //此处出错
FileWriter fileWriter = new FileWriter("res/FileRWDemo.java");
int in =0;
char[] wlnChar = {'\r','\n'};
while((in = fileReader.read()) != -1) {
if(in == '\n')
fileWriter.write(wlnChar);
else
fileWriter.write(in);
}
fileReader.close();
fileWriter.close();
}
catch(Exception e) {
e.printStackTrace();
}
}
}
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