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ReadAndCountPathResult.java

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import java.io.*;

import java.util.HashMap;

import java.util.Map;

public class ReadAndCountPathResult {

static Map<String, Integer> pathCounter;

public static void readAndCount(File file, PrintWriter targetFilePW) throws IOException {

pathCounter = new HashMap<>();

FileReader fileReader = new FileReader(file);

BufferedReader bufferedReader = new BufferedReader(fileReader);

String path;

while ((path = bufferedReader.readLine()) != null) {

if (pathCounter.containsKey(path)) {

pathCounter.put(path, pathCounter.get(path) + 1);

}

else {

pathCounter.put(path, 1);

}

bufferedReader.close();

fileReader.close();

writePathAndCount(targetFilePW);

}

private static void writePathAndCount(PrintWriter targetFilePW) throws IOException {

for (String key : pathCounter.keySet()) {

targetFilePW.println(key + " " + pathCounter.get(key));

}