Help please
package com.codegym.task.task20.task2003;
import java.io.*;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
/*
Introducing properties
*/
public class Solution {
public static Map<String, String> properties = new HashMap<>();
public void fillInPropertiesMap() throws Exception {
// Implement this method
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String fileName = reader.readLine();
reader.close();
FileInputStream fis = new FileInputStream(fileName);
load(fis);
}
public void save(OutputStream outputStream) throws Exception {
// Implement this method
PrintWriter pw = new PrintWriter(outputStream);
if(properties != null) {
for (Map.Entry<String, String> map : properties.entrySet()) {
pw.write(map.getKey());
pw.write(map.getValue());
}
}
pw.flush();
pw.close();
}
public void load(InputStream inputStream) throws Exception {
// Implement this method
// Scanner scanner = new Scanner(inputStream);
BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));
String key = "";
String value = "";
while (br.ready()) {
key = br.readLine();
value = br.readLine();
properties.put(key, value);
}
br.close();
}
public static void main(String[] args) {
}
}