I don't know what is wrong with code.
package com.codegym.task.task09.task0929;
import java.io.*;
/*
Let's make the code do something useful!
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
InputStream fileInputStream = null;
try {
for (int i = 0; i < 2; i++) {
String sourceFileName = reader.readLine();
String destinationFileName = reader.readLine();
if (fileInputStream == null) {
fileInputStream = getInputStream(sourceFileName);
OutputStream fileOutputStream = getOutputStream(destinationFileName);
while (fileInputStream.available() > 0) {
int data = fileInputStream.read();
fileOutputStream.write(data);
}
fileInputStream.close();
fileOutputStream.close();
}
}
} catch (IOException e) {
System.out.println("File does not exist!");
}
}
public static InputStream getInputStream(String fileName) throws IOException {
return new FileInputStream(fileName);
}
public static OutputStream getOutputStream(String fileName) throws IOException {
return new FileOutputStream(fileName);
}
}