//mortenkw sin oblig1 inf1010
import java.util.*;
import java.io.*;

class oblig1{
	public static void main(String[] args){

	Program prog = new Program();	
	prog.meny();

	}//end main
}//end oblig1

class Program{

	Scanner scan = new Scanner(System.in);
	/*HashMap<String, Person> brukernavnmap = new HashMap<String, Person>();
	HashMap<String, Person> navnmap = new HashMap<String, Person>();
		brukernavnmap.put(brukernavn, p);
		navnmap.put(navn, p);*/
	Personliste personliste = new Personliste();
	
	public void meny(){

		//variabeldeklarasjon for metoden meny
		int tast;
		int valg;
		boolean ferdig = false;

		//S? lenge vi ikke avbryter, vil vi kj?re denne menyloopen
		while(!ferdig){

			//menyvalgene
			System.out.print(" -----------------------\n|   Fjesbok v0.2 beta   |\n -----------------------");
			System.out.println("\n 1 - Opprett profil");
			System.out.println(" 2 - Slett profil");
			System.out.println(" 3 - Legg til venn");
			System.out.println(" 4 - Finn venn");
			System.out.println(" 5 - 'Er de venner?'");
			System.out.println(" 6 - Skriv ut venneliste");
			System.out.println(" 0 - Avslutt");
			System.out.println("\nVelg et av alternativene over");
		
			tast = scan.nextInt();
			while (tast < 0 || tast > 6) {
					valg = tast;
				if (tast < 0 || tast > 6) 
					System.out.println("Valget er ikke gyldig, pr?v igjen."); break;
			}//end while
			String lolface = scan.nextLine();
			//kj?r metoden bruker har valgt.
			valg = tast;
			switch (valg) {
				case 1:		opprettprofil();									break;
				case 2:		slettprofil();										break;
				case 3:		leggtilvenn();										break;
				case 4:		finnvenn();											break;
				case 5:		erdevenner();										break;
				case 6:		printliste();										break;
				case 0:		System.out.println(" AVSLUTTER "); ferdig = true;	break;
			}//end switch		
		}//end while(!ferdig)
	}//end meny

	//menyvalg 1
	void opprettprofil(){

		String brukernavn = null;
		String navn = null;

		System.out.println("Skriv inn brukernavn: ");
		brukernavn = scan.next();
		System.out.println("Skriv inn navn: ");
		scan.nextLine();
		navn = scan.nextLine();
		Person p = new Person();
		p.person(brukernavn, navn);
		personliste.insert(p);
		Data d = new Data();
		d.settinnperson();
		System.out.println(p.brukernavn + " " + navn);
	}//end opprettprofil();
	
	//menyvalg 2
	void slettprofil(){
		
		String brukernavn;
		String navn;
		
		System.out.println("Skriv inn brukernavn p? personen du vil ha slettet: ");
		brukernavn = scan.next();
	}//end slettprofil();
	
	//menyvalg 3
	void leggtilvenn(){
		System.out.println(" valg 3 ");
	}//end leggtilvenn();
	
	//menyvalg 4
	void finnvenn(){

		String brukernavn;
		String navn;
		int uid;

		System.out.println("Skriv inn brukernavn: ");
		brukernavn = scan.next();
	}//end finnvenn();
	
	//menyvalg 5
	void erdevenner(){
		System.out.println(" valg 5 ");
	}//end erdevenner();
	
	//menyvalg 6
	void printliste(){
		System.out.println(" valg 6 ");
		Person p = personliste.f?rste;

		while (p != null) {
			System.out.println(p.navn);
			p = p.neste;
		}//end while
		System.out.print("Press enter for ? fortsette.");
		scan.nextLine();
	}//end printliste();
	
}//end Program

class Person{

	String brukernavn;
	String navn;
	Person neste;

	//kontrukt?r
	void person(String brukernavn, String navn){
		this.brukernavn = brukernavn;
		this.navn = navn;
	}//end person

}//end Person

class Personliste{

	Person f?rste;
	Person siste;
	
	void insert(Person p){
	
		if (f?rste == null) {
			f?rste = p;
			siste = p;
		} else {
			siste.neste = p;
			siste = p;
		}//end if else
		
		p.neste = null;
	}//end insert
}//end Personliste

class Data{

	void settinnperson(){
	
		Person p = new Person();
		//370 elever
		p.person("mrt","Kasra");
		p.person("avinnogg","Anders");
		p.person("prebenno","Preben Nenseth");
		p.person("kseielst","Kirsten Marie");
		p.person("tanxn","Xuan Tan");
		p.person("sigurdsa","Sigurd");
		p.person("huij","Hui");
		p.person("anderbn","Anders Blom");
		p.person("omelgsto","?yvind");
		p.person("joakibj","Joakim");
		p.person("richar","Richard");
		p.person("linnaad","Linn Kristin");
		p.person("hennikar","Henni");
		p.person("haavarte","H?vard");
		p.person("rubendw","Ruben");
		p.person("dingh","Ding");
		p.person("nikitam","Nikita");
		p.person("huyt","Huy Quang");
		p.person("chunyuyc","Chun-Yu");
		p.person("kabeern","Kabeer");
		p.person("ivicam","Ivica");
		p.person("jorgebfr","J?rgen Bentseng");
		p.person("torbjsk","Torbj?rn Skyberg");
		p.person("kenneka","Kenneth");
		p.person("geirrn","Geir Roar");
		p.person("mariebf","Marie Beate");
		p.person("akbarf","Shahab Faghihi");
		p.person("rafaellm","Rafael Lukas");
		p.person("ummairt","Ummair");
		p.person("liweiw","Liwei");
		p.person("suhasgj","Suhas Govind");
		p.person("girmayzg","Girmay Zerom");
		p.person("mettelol","Mette");
		p.person("puilingt","Puiling");
		p.person("prebeo","Preben Nenseth");
		p.person("gauravch","Gaurav");
		p.person("wwalmnes","W. Francis Daraman");
		p.person("kristelf","Kristina Heyerdahl");
		p.person("mshaugla","Martin Severin ");
		p.person("svensai","Sven");
		p.person("matshr","Mats Holm");
		p.person("wardaha","Warda");
		p.person("hilia","Hili");
		p.person("jmopsahl","Jan Magnus Granberg");
		p.person("rebekkjm","Rebekka Johanne");
		p.person("stianaki","Stian Aune");
		p.person("espenala","Espen-Alexis");
		p.person("amjansbe","Anne Marte Ihler");
		p.person("navdees","Navdeep");
		p.person("fredva","Fredrik");
		p.person("dkkriste","David Kai Christen");
		p.person("ojalass","Ojala Saghir");
		p.person("robinmy","Robin");
		p.person("sohailmm","Sohail Musa");
		p.person("atifrm","Atif Rashid");
		p.person("kristwil","Kristian");
		p.person("illias","Illia");
		p.person("eivinsax","Eivind");
		p.person("abdulwm","Abdul Wahab");
		p.person("reidarab","Reidar Andre");
		p.person("tinajk","Tina Jeanette");
		p.person("kkho","Khiem-Kim Xuan");
		p.person("junemto","June Marie");
		p.person("dmitrijv","Dmitrij");
		p.person("baardha","Baard");
		p.person("toresj","Tore Sivert Johnsen");
		p.person("ngatl","Nga Tuyet Thi");
		p.person("magnel","Magne Andre");
		p.person("elsagt","Elsa Gabrielle");
		p.person("anderv","Anders");
		p.person("josteili","Jostein");
		p.person("magnusri","Magnus");
		p.person("olesb","Ole Stian");
		p.person("trondni","Trond Anders");
		p.person("erikwb","Erik Wilhelm");
		p.person("behrozm","Behroz");
		p.person("thomaark","Thomas");
		p.person("kyrreg","Kyrre Matias");
		p.person("torbjh","Torbj?rn Bull");
		p.person("helgehf","Helge Heyerdahl");
		p.person("erikberg","Erik");
		p.person("sasam","Sasa");
		p.person("ajmolvae","Arnold John Ngugi");
		p.person("henrikhe","Henrik Str?mme");
		p.person("kjetilge","Kjetil");
		p.person("erlendp","Erlend");
		p.person("ingeml","Inger Margrethe");
		p.person("hennihor","Henning");
		p.person("erlendvr","Erlend Vihovde");
		p.person("chrismaa","Christine");
		p.person("dishankr","Dishanker");
		p.person("lubnar","Lubna");
		p.person("perats","Per Anders");
		p.person("moayadi","Moayad");
		p.person("kristoth","Kristoffer");
		p.person("hogenhaa","Aksel");
		p.person("frodevw","Frode Vegard");
		p.person("davidjo","David J?rgensen");
		p.person("raouln","Raoul");
		p.person("arnehs","Arne Haugum");
		p.person("gurilu","Guri");
		p.person("bernob","Bernt ?ivind");
		p.person("eivinhb","Eivind Hauk?s");
		p.person("olegf","Oleg Petrovich");
		p.person("ramunek","Ramune");
		p.person("irinaia","Irina Igorevna");
		p.person("chrinr","Christopher Neumann");
		p.person("andrss","Andres S?rensen");
		p.person("jonad","Jon Andre");
		p.person("marold","Mari Sveum");
		p.person("erikjsi","Erik Jonathan");
		p.person("morbergm","Morten");
		p.person("carolsku","Caroline");
		p.person("haakno","H?kon");
		p.person("ramting","Ramtin");
		p.person("narink","Narin");
		p.person("philipcs","Philip Christian");
		p.person("helenens","Helene Norheim");
		p.person("madeleii","Madeleine G");
		p.person("magnhaan","Magnus Helland");
		p.person("chbr","Christian");
		p.person("matshau","Mats");
		p.person("robertko","Robert");
		p.person("stianval","Stian");
		p.person("peterbb","Peter Brottveit");
		p.person("najiak","Naji Ahmad");
		p.person("oleckv","Ole Christian");
		p.person("pfferrer","Pierre Francois Jean");
		p.person("frodetbj","Frode Tobias");
		p.person("helesa","Helene");
		p.person("martsv","Marte");
		p.person("marienh","Marie Nathalie");
		p.person("haavarot","H?vard Mikkelsen");
		p.person("runarfu","Runar");
		p.person("michaekg","Michael K");
		p.person("mariuten","Marius");
		p.person("simenheg","Simen");
		p.person("thomahg","Thomas Hoel");
		p.person("eirikds","Eirik Djupvik");
		p.person("einarnot","Einar");
		p.person("bendikwa","Bendik Wang");
		p.person("erim","Erik");
		p.person("torjusha","Torjus");
		p.person("fredrll","Fredrik Lyder");
		p.person("borissi","Boris");
		p.person("kennetsa","Kenneth Solb?");
		p.person("simenbu","Simen");
		p.person("maximh","Maxim");
		p.person("djamela","Djamel");
		p.person("konstaaz","Konstantin Aleksandrovich");
		p.person("nawrozk","Nawroz");
		p.person("jingt","Jing");
		p.person("fredrvaa","Fredrik");
		p.person("mariasfo","Victoria");
		p.person("gunnaaur","Gunnar");
		p.person("eivinded","Eivind Evenstad");
		p.person("mikkeln","Mikkel");
		p.person("andrsha","Andreas Stusvik");
		p.person("alexpe","Alex");
		p.person("mohammkk","Mohammad Khidash");
		p.person("espenoh","Espen O");
		p.person("brynjagr","Brynjar Gr?nhaug");
		p.person("markussd","Markus Sortland");
		p.person("arvee","Arve");
		p.person("arildre","Arild");
		p.person("ronvu","Ron Vidar");
		p.person("erlendax","Erlend");
		p.person("patricd","Patrick");
		p.person("zinair","Zina Ida");
		p.person("jonasbl","Jonas B?hn");
		p.person("sofieseb","Sofie");
		p.person("magnudev","Magnus");
		p.person("eivindpr","Eivind");
		p.person("ingrisw","Ingrid Semb");
		p.person("anderkry","Anders");
		p.person("steinbs","Stein By");
		p.person("olavaand","Olav Andre");
		p.person("kyrrehe","Kyrre Havik");
		p.person("samik","Sami");
		p.person("rafunke","Richard Alexander");
		p.person("torgebo","Torgeir");
		p.person("farahkh","Farah");
		p.person("pmbraath","Paal Mikkel S");
		p.person("eivinbar","Eivind");
		p.person("ljhetlan","Lars Johannes Fjelds?");
		p.person("sigvef","Sigve");
		p.person("makirip","Hans-Olav Maki");
		p.person("fredreng","Fredrik");
		p.person("nghiepv","Nghiep Van");
		p.person("williarm","William R");
		p.person("tomasjoh","Tomas");
		p.person("tatyanac","Tatyana");
		p.person("beritlar","Berit");
		p.person("bwkriste","Benjamin Werner Bych");
		p.person("oystsand","?ystein");
		p.person("krth","Kristian");
		p.person("fridtjha","Fridtjof");
		p.person("mortenkw","Morten Krokan");
		p.person("jorgenks","J?rgen Krog");
		p.person("bjornagh","Bj?rnar Grindhaug");
		p.person("miriakh","Miriam Kirstine");
		p.person("magnujoh","Magnus");
		p.person("oddmm","Odd Magnus");
		p.person("rvfjellb","Rune Vegard Skullerud");
		p.person("mariaroi","Marianne");
		p.person("effata","Effat");
		p.person("jamesdt","James David");
		p.person("dagolo","Dag ?yvind");
		p.person("johnaby","John Alexander");
		p.person("marishu","Mari S?nsteby");
		p.person("kentol","Kent");
		p.person("sverrhol","Sverre");
		p.person("henninbw","Henning Bauer");
		p.person("jacquelo","Jacqueline Osei");
		p.person("espegri","Espen");
		p.person("marstorh","Marius");
		p.person("hennikl","Henning");
		p.person("andrefos","Andreas");
		p.person("asgeirom","Asgeir Oldernes");
		p.person("alinach","Alina");
		p.person("magnutr","Magnus");
		p.person("snorrewb","Snorre William");
		p.person("baomn","Bao Marianna");
		p.person("benjamba","Benjamin Brunvoll");
		p.person("alexso","Alex");
		p.person("gryseg","Gry Siri");
		p.person("arsenc","Arsen");
		p.person("bentaf","Bent Anders");
		p.person("sarahbs","Sarah Beate");
		p.person("linnkbr","Linn Kristine");
		p.person("andehag","Anders");
		p.person("patrisk","Patrick Bauge");
		p.person("krishols","Kristine B?hler");
		p.person("knutrok","Knut");
		p.person("kristony","Kristoffer");
		p.person("jennyli","Jenny");
		p.person("jonfg","Jon Ferdinand");
		p.person("toreon","Tore Olav");
		p.person("sindrepu","Sindre");
		p.person("ragnarsm","Ragnar");
		p.person("fredrme","Fredrik");
		p.person("fredriwa","Fredrik");
		p.person("vegardko","Vegard");
		p.person("thorhw","Thor Henning");
		p.person("marstorh","Marius");
		p.person("hermang","Herman");
		p.person("haakobja","H?kon Botnmark");
		p.person("steinshe","Steinar S?rli");
		p.person("jondr","Jon Dahl");
		p.person("semird","Semir");
		p.person("torbjpl","Torbj?rn P");
		p.person("kinevl","Kine Veronica");
		p.person("jarandkh","Jarand Kiste");
		p.person("odarn","Oda R?nholt");
		p.person("oleseg","Ole");
		p.person("oystebjo","?ystein");
		p.person("sofiacl","Sofia");
		p.person("ophatm","Ophat");
		p.person("fredrhaa","Fredrik");
		p.person("martigla","Martin Gullien");
		p.person("mattiahj","Mattias H?heim");
		p.person("haavanes","H?vard");
		p.person("scfure","Silje Christine R");
		p.person("mohammrg","Mohammad Reza");
		p.person("mortensi","Morten W?sj?");
		p.person("camilve","Camilla");
		p.person("sindrenm","Sindre Nordberg");
		p.person("petteaar","Petter");
		p.person("marifor","Maria");
		p.person("marstorh","Marius");
		p.person("karenwf","Karen Wanvik");
		p.person("larsjeng","Lars Jans?n");
		p.person("fredrins","Fredrik Notevarp");
		p.person("vegarang","Vegard");
		p.person("jorundal","J?rund");
		p.person("endrebs","Endre Bunes");
		p.person("torees","Tore Mikal");
		p.person("olavpo","Olav");
		p.person("marinan","Marina");
		p.person("sirins","Siri N?rland");
		p.person("ahbfinst","Ann-Charlotte Birgitta");
		p.person("anishr","Anish");
		p.person("axelbh","Axel Butler");
		p.person("jenserin","Jens Erik");
		p.person("zhiyansa","Zhiyan");
		p.person("emanuel","Emanuele");
		p.person("jorgeren","J?rgen Vold");
		p.person("maartena","Arthur");
		p.person("hatt","Thanh Ha");
		p.person("vivihn","Vivi Hoang");
		p.person("jorgevi","J?rgen");
		p.person("daniero","Daniel");
		p.person("eirikrl","Eirik R?bech");
		p.person("dinhut","Dinh Uy");
		p.person("tommhald","Tommy");
		p.person("ilirn","Ilir");
		p.person("marstorh","Marius");
		p.person("rizwanaa","Rizwan Ali");
		p.person("fredriti","Fredrik");
		p.person("olearos","Ole Andreas");
		p.person("thomamha","Thomas Misund");
		p.person("pederbe","Peder");
		p.person("sigbjogs","Sigbj?rn Gull?v");
		p.person("olekto","Ole Kristian");
		p.person("lenacar","Lena Christine Lund");
		p.person("oddmunds","Oddmund");
		p.person("javalla","Joakim");
		p.person("andrebog","Andreas");
		p.person("jannro","Jan Nyquvist");
		p.person("erlenkr","Erlend");
		p.person("shabnapi","Shabnam");
		p.person("aleksase","Aleksander");
		p.person("mudasirs","Mudasir Esmael");
		p.person("igorkol","Igor");
		p.person("bahonurn","Bahonur");
		p.person("princej","Prince");
		p.person("evaghi","Eva Gamles?ter");
		p.person("paihler","Per Anton Fagerholt");
		p.person("dansk","Dan Scheslien");
		p.person("admicha","Abel Gebre Michael");
		p.person("tommysae","Tommy");
		p.person("atvaerne","Anh Tuyet Thi");
		p.person("migrana","Menua");
		p.person("sasoria","Sergio Alberto Arevalo");
		p.person("simenren","Simen");
		p.person("runeyt","Rune Y.");
		p.person("bartoszp","Bartosz");
		p.person("jmjohann","J?rgen Mundgjel Fjeld");
		p.person("fabiantf","Fabian Tytingv?g");
		p.person("oyvstenl","?yvind");
		p.person("kritr","Kristian");
		p.person("torgeirl","Torgeir Lyche");
		p.person("tmtaklo","Tore Magnus Arnesen");
		p.person("espenmei","Espen Moen");
		p.person("bsalhell","Basil Seifaddin Hussain Al");
		p.person("henrihel","Henrik");
		p.person("lukaszjm","Lukasz Jan");
		p.person("eirigro","Eirik");
		p.person("khalidab","Khalid Mussanur");
		p.person("oleksank","Oleksandra");
		p.person("karimac","Karima");
		p.person("bahonurn","Bahonur");
		p.person("mikalm","Mikal");
		p.person("jmring","Janusz Mieczyslaw");
		p.person("haakonoo","H?kon Olav");
		p.person("mariubac","Marius");
		p.person("masjurse","Magnus");
		p.person("andrberg","Andreas");
		p.person("anderrb","Anders Ramsvik");
		p.person("menalta","Menal Talal");
		p.person("cecilyyz","Cecily Yan");
		p.person("benct","Ben Christopher");
		p.person("oyvinin","?yvind");
		p.person("moniksk","Monika Sperstad");
		p.person("ejjohans","Erlend Johan Str?mhaug");
		p.person("thomapor","Thomas");
		p.person("tahiray","Tahira");
		p.person("josek","Jose Louis");
		p.person("stianf","Stian Kjetil");
		p.person("bendiko","Bendik R?nning");
		p.person("bmmender","Bedeho");
		p.person("espeak","Espen Angell");
		p.person("richar","Richard");
		p.person("jpaasen","Jon");
		p.person("daghf","Dag Haavi");
		p.person("larsstor","Lars");
		p.person("fredva","Fredrik");
		p.person("steing","Stein");
		p.person("michael","Stein Michael");
		p.person("stm","Stein Michael");
	}//end settinperson
}//end Data