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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		String current1 = "kurochkin@ttt.net.ua; i.savula@comfortzone.com.ua; suslov.aleksandr@gmail.com; gayvoronsky@gmail.com; babenko.dion@gmail.com; zverev@softorg.com.ua; elena.rudiy@gmail.com; matskivroman82@gmail.com; kononetss@gmail.com; coolibok@gmail.com; chukanxray@gmail.com; iaremenko@icloud.com; vadim@karavaj.kiev.ua; lugovskairyna@gmail.com; info@fresh-d.net; karpuha21091973@gmail.com; arkad2007@mail.ru; veroni252@gmail.com; mgkorob@gmail.com; b2bimon@gmail.com; alyarko@gmail.com; archdesas@gmail.com; kashirskih82@gmail.com; bukovyna@spsp.com.ua; zmikkey@gmail.com; 123@promss.com.ua; vizircentre@gmail.com; F.mykola88@gmail.com; pavel.lazarenko@hitek.kiev.ua; nata.kerammoda@gmail.com; 780plenovo@gmail.com; suhomudvv@gmail.com; mebel-boom@email.ua; voffka1024@mail.ru; sanvinnichenko@gmail.com; vtp777@ukr.net; alfa-dar@ukr.net; antp2810@gmail.com; veruchamomot@gmail.com; d.kharkov@owen.ua; Rubanov@stim-group.com.ua; podgor1976@gmail.com; galina.n.levchenko@gmail.com; simon.larisa@gmail.com; kalinovich2009@ukr.net; daren7@yandex.ru; maximbugajenko@gmail.com; fancoil.af@gmail.com; stoliko2016@gmail.com; xanif85@yandex.ru; mucanyo.o@gmail.com; vetpreparat@ukr.net; sboguckiy@ukr.net; vitaliy108@gmail.com; skripka.ivan@gmail.com; victorlasmodelua@gmail.com; polimer2003@ukr.net; ampleev.andrey@gmail.com; yougin.od@gmail.com; elite.odessa2@gmail.com; emgr@i.ua; kypchinskaya@gmail.com; romanenko_aquaventi@ukr.net; malongo@ukr.net; mvryukalo@gmail.com; atamanyk93@gmail.com; denispikalov88@gmail.com; od7955728@gmail.com; Barta.Andrej.Cc@gmail.com; denys.sharyi@gmail.com; yarval2016@gmail.com; sms.cn.1976@gmail.com; fedchenko@bravopap.com.ua; tyshkovets@gmail.com; mischenko_t@ukr.net; katrindek@gmail.com; n0676200614@gmail.com; kievdomik@icloud.com; olga_alikhanova@furnitop.by; oleg.gnatyk@gmail.com; daiman.ad@gmail.com; irinasemenovnak@gmail.com; natalyachernysh@gmail.com; peach.ear.bear@gmail.com; sheremetaoleg1985@gmail.com; sheremetairyna1984@gmail.com; r.khachatryan1911@gmail.com; galyna.shostak@gmail.com; andrey.vidov@vankor.ua; yuriy.zakrevskiy@gmail.com; romansesov@gmail.com; garber.s@svitok.com.ua; zvetkova2007@ukr.net; daomd13@gmail.com; rubtsov17@gmail.com; egor0555@gmail.com; s_gricishin@ukr.net; sadromit@email.cz; gorinaey@mail.ru; allur.office@gmail.com; prioritet77@gmail.com; babich.p@yuventa.net; Dmpraktik@gmail.com; v.a.yukhymchuk@gmail.com; halaziy@gmail.com; alenbud@ukr.net; lybakosh21@gmail.com; nshevchenko3001@ukr.net; irina@fert.kz";
  13. 		String previous1 = "suhomudvv@gmail.com; sanvinnichenko@gmail.com; gorinaey@mail.ru; mvryukalo@gmail.com; prioritet77@gmail.com; kashirskih82@gmail.com; ampleev.andrey@gmail.com; veroni252@gmail.com; mucanyo.o@gmail.com; olga_alikhanova@furnitop.by; s_gricishin@ukr.net; zvetkova2007@ukr.net; kievdomik@icloud.com; vtp777@ukr.net; rubanov@stim-group.com.ua; victorlasmodelua@gmail.com; katrindek@gmail.com; d.kharkov@owen.ua; alenbud@ukr.net; denispikalov88@gmail.com; 123@promss.com.ua; kurochkin@ttt.net.ua; lugovskairyna@gmail.com; rubtsov17@gmail.com; atamanyk93@gmail.com; garber.s@svitok.com.ua; mgkorob@gmail.com; matskivroman82@gmail.com; b2bimon@gmail.com; vizircentre@gmail.com; dmpraktik@gmail.com; irina@fert.kz; vitaliy108@gmail.com; irinasemenovnak@gmail.com; daiman.ad@gmail.com; kononetss@gmail.com; bukovyna@spsp.com.ua; allurpomiry@gmail.com; i.savula@comfortzone.com.ua; karpuha21091973@gmail.com; romansesov@gmail.com; voffka1024@mail.ru; F.mykola88@gmail.com; vetpreparat@ukr.net; suslov.aleksandr@gmail.com; kalinovich2009@ukr.net; natalyachernysh@gmail.com; maximbugajenko@gmail.com; andrey.vidov@vankor.ua; vadim@karavaj.kiev.ua; iaremenko@icloud.com; romanenko_aquaventi@ukr.net; polimer2003@ukr.net; r.khachatryan1911@gmail.com; yarval2016@gmail.com; galina.n.levchenko@gmail.com; elena.rudiy@gmail.com; halaziy@gmail.com; alfa-dar@ukr.net; daren7@yandex.ru; zmikkey@gmail.com; oleg.gnatyk@gmail.com; alyarko@gmail.com; babich.p@yuventa.net; fancoil.af@gmail.com; kypchinskaya@gmail.com; skripka.ivan@gmail.com; daomd13@gmail.com; arkad2007@mail.ru; malongo@ukr.net; simon.larisa@gmail.com; elite.odessa2@gmail.com; n0676200614@gmail.com; yuriy.zakrevskiy@gmail.com; sms.cn.1976@gmail.com; tyshkovets@gmail.com; v.a.yukhymchuk@gmail.com; podgor1976@gmail.com; sboguckiy@ukr.net; coolibok@gmail.com; antp2810@gmail.com; egor0555@gmail.com; archdesas@gmail.com; galyna.shostak@gmail.com; peach.ear.bear@gmail.com; xanif85@yandex.ru; chukanxray@gmail.com; pavel.lazarenko@hitek.kiev.ua; zverev@softorg.com.ua; fedchenko@bravopap.com.ua; Gayvoronsky@gmail.com; sheremetairyna1984@gmail.com; od7955728@gmail.com; nata.kerammoda@gmail.com; yougin.od@gmail.com; stoliko2016@gmail.com; veruchamomot@gmail.com; 780plenovo@gmail.com; denys.sharyi@gmail.com; babenko.dion@gmail.com; info@fresh-d.net; emgr@i.ua; sadromit@email.cz; Barta.Andrej.Cc@gmail.com";
  14.  
  15. 		String[] current = current1.split("; ");
  16. 		String[] previous = previous1.split("; ");
  17. 		List<String> curr = fillArray(current);
  18. 		List<String> prev = fillArray(previous);
  19. 		System.out.println(compare(curr, prev));
  20. 	}
  21.  
  22. 	public static List<String> compare(List<String> curr, List<String> prev){
  23. 		List<String> list = new ArrayList<>();
  24. 		for(String str : curr){
  25. 			if(!prev.contains(str)) list.add(str);
  26. 		}
  27. 		return list;
  28. 	}
  29.  
  30. 	public static ArrayList<String> fillArray(String[] array){
  31. 		List<String> list1 = new ArrayList<>();
  32. 		for(String str : array){
  33. 			list1.add(str);
  34. 		}
  35. 		return list1;
  36. 	}
  37. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:35: error: incompatible types: List<String> cannot be converted to ArrayList<String>
		return list1;
		       ^
1 error
stdout
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Standard output is empty
https://ideone.com/FD3Dzr
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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