可是已经读取了啊。。。
package zh.codegym.task.task09.task0929;
import java.io.*;
/*
让代码发挥它的用武之地！
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String sourceFileName = reader.readLine();
InputStream fileInputStream = null;
while (true){
try{
fileInputStream = getInputStream(sourceFileName);
break;
}catch (IOException e){
System.out.println("文件不存在");
sourceFileName = reader.readLine();
}
}
String destinationFileName = reader.readLine();
OutputStream fileOutputStream = getOutputStream(destinationFileName);
while (fileInputStream.available() > 0) {
int data = fileInputStream.read();
fileOutputStream.write(data);
}
fileInputStream.close();
fileOutputStream.close();
}
public static InputStream getInputStream(String fileName) throws IOException {
return new FileInputStream(fileName);
}
public static OutputStream getOutputStream(String fileName) throws IOException {
return new FileOutputStream(fileName);
}
}