what means "pozostać niezmieniona"? I understand as do nothing but it not works..
any idea?
package pl.codegym.task.task18.task1827;
/*
Ceny
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String fileName = reader.readLine();
reader.close();
reader = new BufferedReader(new FileReader(fileName));
if (args[0].equals("-c") && args.length == 4) {
String line;
String data = "";
while ((line = reader.readLine()) != null) {
data = line;
}
reader.close();
int newId = Integer.parseInt(data.substring(0, 8))+1;
BufferedWriter writer = new BufferedWriter(new FileWriter(fileName, true));
String newLine = "";
newLine += newId;
newLine += addSpaces(8-newLine.length());
newLine += args[1];
newLine += addSpaces(38-newLine.length());
newLine += args[2];
newLine += addSpaces(46-newLine.length());
newLine += args[3];
newLine += addSpaces(50-newLine.length());
writer.write("\n"+newLine);
writer.close();
} else { reader.close(); }
}
public static String addSpaces(int n) {
String spaces = "";
for (int i = 0; i < n; i++)
spaces += " ";
return spaces;
}
}