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  1. package com.javarush.task.task19.task1918;
  2.  
  3. import java.io.BufferedReader;
  4. import java.io.FileReader;
  5. import java.io.IOException;
  6. import java.io.InputStreamReader;
  7. import java.util.ArrayList;
  8.  
  9. public class Solution {
  10.     public static void main(String[] args) throws IOException {
  11.         ArrayList<Integer> openTag = new ArrayList<>();
  12.         ArrayList<Integer> closeTag = new ArrayList<>();
  13.         StringBuilder stringBuilder = new StringBuilder();
  14.         try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
  15.              BufferedReader fileReader = new BufferedReader(new FileReader(reader.readLine()))) {
  16.             while (fileReader.ready()) {
  17.                 stringBuilder.append(fileReader.readLine());
  18.             }
  19.             openTag.add(-1);
  20.             closeTag.add(-1);
  21.             for (int i = 0; true; i++) {
  22.                 if (stringBuilder.indexOf("</" + args[0], closeTag.get(i) + 1) == -1){
  23.                     break;
  24.                 }
  25.                 openTag.add(stringBuilder.indexOf("<" + args[0], openTag.get(i) + 1));
  26.                 closeTag.add(stringBuilder.indexOf("</" + args[0], closeTag.get(i)) + 2 + args[0].length());
  27.             }
  28.             for (int i = 1; i < openTag.size(); i++) {
  29.                 for (int j = i + 1; j < openTag.size(); j++) {
  30.                     if (openTag.get(j) < closeTag.get(i)) {
  31.                         int temp = closeTag.get(j);
  32.                         closeTag.set(j, closeTag.get(i));
  33.                         closeTag.set(i, temp);
  34.                     } else {
  35.                         break;
  36.                     }
  37.                 }
  38.             }
  39.             for (int k = 1; k < closeTag.size(); k++) {
  40.                 System.out.println(stringBuilder.substring(openTag.get(k), closeTag.get(k)) + ">");
  41.             }
  42.         }
  43.     }
  44. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:9: 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/E5Bv3P
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
public

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