import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.ArrayList;
import java.util.Collections;
class Scratch {
public static void main(String[] args) throws IOException {
Map<String, Double> database = new HashMap<>();
BufferedReader bfreader = new BufferedReader(new FileReader("e:\\input.txt"));
while (bfreader.ready()) {
String[] split = bfreader.readLine().split("\\s");
if (database.containsKey(split[0])) {
database.put(split[0], ((database.get(split[0]) + Double.parseDouble(split[1]))));
}
else {
database.put(split[0], Double.parseDouble(split[1]));
}
}
bfreader.close();
ArrayList<String> key = new ArrayList<>();
for (Map.Entry<String, Double> outmap : database.entrySet()) {
key.add(outmap.getKey());
}
Collections.sort(key);
Map<String, Double> sorteddata = new HashMap<>();
for (String array : key) {
// System.out.println(array); выводит:
// Иванов
// Петров
// Сидоров
sorteddata.put(array, database.get(array));
}
for (Map.Entry<String, Double> outmap : sorteddata.entrySet()) {
System.out.print(outmap.getKey() + " " + outmap.getValue() + "\n");
// выводит:
// Иванов 1.35
// Сидоров 6.0
// Петров 5.1
}
}
}
package com.javarush.task.task19.task1919;
/*
Считаем зарплаты
*/
import java.io.*;
import java.util.*;
public class Solution {
public static void main(String[] args) throws IOException {
TreeMap<String, Double> database = new TreeMap<>();
BufferedReader bfreader = new BufferedReader(new FileReader("e:\\input.txt"));
while (bfreader.ready()) {
String[] split = bfreader.readLine().split("\\s");
if (database.containsKey(split[0])) {
database.put(split[0], ((database.get(split[0]) + Double.parseDouble(split[1]))));
}
else {
database.put(split[0], Double.parseDouble(split[1]));
}
}
for (Map.Entry outmap : database.entrySet()) {
System.out.println(outmap.getKey() + " " + outmap.getValue());
}
bfreader.close();
}
}