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  1. package com.javarush.task.task09.task0930;
  2.  
  3. import java.io.BufferedReader;
  4. import java.io.InputStreamReader;
  5. import java.util.ArrayList;
  6. import java.util.Arrays;
  7. import java.util.Collections;
  8.  
  9. /* 
  10. Задача по алгоритмам Ӏ Java Syntax: 9 уровень, 11 лекция
  11. */
  12.  
  13. public class Solution {
  14.     public static void main(String[] args) throws Exception {
  15.         BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
  16.         ArrayList<String> list = new ArrayList<>();
  17.         String line = reader.readLine();
  18.         while (!line.isEmpty()) {
  19.             list.add(line);
  20.             line = reader.readLine();
  21.         }
  22.  
  23.         String[] array = list.toArray(new String[0]);
  24.         sort(array);
  25.  
  26.         for (String x : array) {
  27.             System.out.println(x);
  28.         }
  29.     }
  30.  
  31.     public static void sort(String[] array) {
  32.         isGreaterThan("", ""); //заглушка
  33.         int l = array.length;
  34.         ArrayList<Integer> numbers = new ArrayList<>();
  35.         ArrayList<String> strings = new ArrayList<>();
  36.         for (String str : array) {
  37.                 if (isNumber(str)) {
  38.                     numbers.add(Integer.parseInt(str));
  39.                 } else {
  40.                     strings.add(str);
  41.                 }
  42.             }
  43.         Collections.sort(numbers);
  44.         Collections.reverse(numbers);
  45.         Collections.sort(strings);
  46.         int a = 0, b = 0;
  47.         for (int i = 0; i < l; i++) {
  48.             String str = array[i];
  49.                 if (isNumber(str)) {
  50.                     array[i] = "" + numbers.get(a);
  51.                     a++;
  52.                 } else {
  53.                     array[i] = strings.get(b);
  54.                     b++;
  55.                 }
  56.             }
  57.         }
  58.  
  59.  
  60.     // Метод для сравнения строк: 'а' больше чем 'b'
  61.     public static boolean isGreaterThan(String a, String b) {
  62.         return a.compareTo(b) > 0;
  63.     }
  64.  
  65.  
  66.     // Переданная строка - это число?
  67.     public static boolean isNumber(String text) {
  68.         if (text.length() == 0) {
  69.             return false;
  70.         }
  71.  
  72.         char[] chars = text.toCharArray();
  73.         for (int i = 0; i < chars.length; i++) {
  74.             char character = chars[i];
  75.  
  76.             // есть '-' внутри строки
  77.             if (i != 0 && character == '-') {
  78.                 return false;
  79.             }
  80.  
  81.             // не цифра и не начинается с '-'
  82.             if (!Character.isDigit(character) && character != '-') {
  83.                 return false;
  84.             }
  85.  
  86.             // одиночный '-'
  87.             if (chars.length == 1 && character == '-') {
  88.                 return false;
  89.             }
  90.         }
  91.  
  92.         return true;
  93.     }
  94. }
  95.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:13: error: class Solution is public, should be declared in a file named Solution.java
public class Solution {
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/hRTP1S
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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