what is wrong ?
package pl.codegym.task.task19.task1907;
/*
Liczenie słów
*/
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String file1 = reader.readLine();
reader.close();
FileReader fileReader = new FileReader(file1);
BufferedReader bufferedReader = new BufferedReader(fileReader);
String a; int licznik = 0;
char[] c;
while ((a = bufferedReader.readLine()) != null) {
c = a.toCharArray();
int i = 0;
try{
while(true){
String test = "";
while(c[i+1] != ' '){
test += c[i];
i++;
}
if(test.equals("świat"))
{
licznik++;
}
i++;
}}
catch(Exception e){
}
}
System.out.println(licznik);
fileReader.close();
bufferedReader.close();
}
}