Божков Костя Задание 10.3

10-java-functional-stream/task03/src/com/example/task03/Task03Main.java

@@ -1,27 +1,52 @@
 package com.example.task03;
 
 import java.util.Comparator;
+import java.util.Iterator;
 import java.util.function.BiConsumer;
 import java.util.stream.Stream;
 
-public class Task03Main {
-
-    public static void main(String[] args) {
-
+public class Task03Main
+{
+    public static void main(String[] args)
+    {
         findMinMax(
                 Stream.of(2, 9, 5, 4, 8, 1, 3),
                 Integer::compareTo,
                 (min, max) ->
                         System.out.println("min: " + min + " / max: " + max)
         );
-
     }
-
     public static <T> void findMinMax(
             Stream<? extends T> stream,
             Comparator<? super T> order,
-            BiConsumer<? super T, ? super T> minMaxConsumer) {
+            BiConsumer<? super T, ? super T> minMaxConsumer)
+    {
 
         // your implementation here
+        Iterator iterator = stream.iterator();
+
+        if (!iterator.hasNext())
+        {
+            minMaxConsumer.accept(null, null);
+            return;
+        }
+
+        T e = (T)iterator.next();
+        T min = e;
+        T max = e;
+
+        while (iterator.hasNext())
+        {
+            e = (T)iterator.next();
+
+            if(order.compare(e, min) < 0)
+                min = e;
+
+            if(order.compare(e, max) > 0)
+                max = e;
+        }
+
+        minMaxConsumer.accept(min, max);
     }
 }
+