Preparo for lab 13

src/main/java/cz/jezek/lab11/SortedSetMain.java

+package cz.jezek.lab11;
+
+public class SortedSetMain {
+
+  public static void main(String[] args) {
+    Tournament tournament = Tournament.generate();
+
+   
+  }
+
+ 
+}

src/main/java/cz/jezek/lab11/StreamMain.java

-package cz.jezek.lab11;
-
-public class StreamMain {
-
-  public static void main(String[] args) {
-    Tournament tournament = Tournament.generate();
-
-    printStatAboutTournament(tournament);
-
-    saveTournament(tournament);
-    loadTournament();
-  }
-
-  public static void printStatAboutTournament(Tournament tournament) {
-    System.out.println(tournament);
-    Player player = tournament.getRandomPlayer();
-
-    System.out.println(player);
-    System.out.print("Number of matches: ");
-    //TODO 3.a Show the number of matches played by a given player (using Streams)
-    
-    System.out.print("Goals scored: ");
-    //TODO 3.b Show the number of goals scored by a given player (help Streams)
-
-    Oponents oponents = new Oponents(tournament.getRandomPlayer(),
-        tournament.getRandomPlayer());
-    System.out.println("Mutual statistics of oponents:" + oponents);
-    
-    System.out.print("Matches: ");
-    //TODO 4.a List the matches played between the given players (using the stream)
-    System.out.print("Number of mathes: ");
-    //TODO 4.b Print the number of matches played between the given players (using the stream)
-    System.out.print("Match with the largest total number:");
-    //TODO 4.c Show match with the largest total number (sum of both players) scored goals between relevant players (help Streams)
-  }
-
-  public static void loadTournament() {
-    //TODO 5.b Load a serialized tournament from a file
-  }
-
-  public static void saveTournament(Tournament tournament) {
-    //TODO 5.a Save the tournament to a file using object serialization.
-  }
-}

src/main/java/cz/jezek/lab11/Tournament.java

 package cz.jezek.lab11;
 
-import java.util.Collections;
+import static cz.jezek.lab11.RandomGenarator.random;
+import static cz.jezek.lab11.RandomGenarator.selectRandom;
+import static java.util.stream.Collectors.toList;
+
 import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public class Tournament {
 
@@ -10,11 +15,11 @@ public class Tournament {
 
   public static Tournament generate() {
 	// TODO 1.a Generate a list of 10 random players using the stream and then filter so that it does not contain players with the same name
-	List<Player> players = Collections.emptyList();
+	List<Player> players = Stream.generate(Player::generateRandom).distinct().limit(10).collect(Collectors.toList());
 
     // TODO 1.b Use the stream to generate a list of 50 matches between random players (from the list of players) with a random result. Make sure the player does not play with himself.
-    List<Match> matches = Collections.emptyList();
-
+	List<Match> matches = Stream.generate(() -> generateRandom(players)).filter(Tournament::differentOponents)
+			.limit(500).collect(toList());
 
     return new Tournament(players, matches);
   }
@@ -35,7 +40,7 @@ public class Tournament {
   public Player getRandomPlayer() {
     return RandomGenarator.selectRandom(players);
   }
-
+  
   @Override
   public String toString() {
     StringBuilder builder = new StringBuilder();
@@ -54,4 +59,13 @@ public class Tournament {
     return builder.toString();
   }
 
+private static boolean differentOponents(Match m) {
+	return m.getOponents().getPlayer1() != m.getOponents().getPlayer2();
+}
+
+private static Match generateRandom(List<Player> players) {	
+    Match result = new Match(selectRandom(players), random.nextInt(11), selectRandom(players), random.nextInt(11));
+	return result;
+  }
+
 }