From f0765d9f123978a01f51bbf05cb6c50d574f3ef8 Mon Sep 17 00:00:00 2001
From: "Task-1.1" <apzigaziga@gmail.com>
Date: Sun, 27 Dec 2020 09:45:49 +0500
Subject: [PATCH] =?UTF-8?q?=D0=91=D0=BE=D0=B6=D0=BA=D0=BE=D0=B2=20=D0=9A?=
 =?UTF-8?q?=D0=BE=D1=81=D1=82=D1=8F=20=D0=97=D0=B0=D0=B4=D0=B0=D0=BD=D0=B8?=
 =?UTF-8?q?=D0=B5=209.1?=
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---
 .../task01/src/com/example/task01/Pair.java   | 62 ++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/09-java-generics-collections/task01/src/com/example/task01/Pair.java b/09-java-generics-collections/task01/src/com/example/task01/Pair.java
index 6b36a5df4..e16f5dde9 100644
--- a/09-java-generics-collections/task01/src/com/example/task01/Pair.java
+++ b/09-java-generics-collections/task01/src/com/example/task01/Pair.java
@@ -2,4 +2,64 @@
 
 public class Pair {
     // TODO напишите реализацию
-}
+import java.util.function.BiConsumer;
+
+    public class Pair<T, U>
+    {
+        private final T first;
+        private final U second;
+
+        private Pair(T first, U second)
+        {
+            this.first = first;
+            this.second = second;
+        }
+
+        public U getSecond()
+        {
+            //тест падает на null
+            //throw new NoSuchElementException("No second value present");
+            return second;
+        }
+
+        public T getFirst()
+        {
+            //тест падает на null
+            //throw new NoSuchElementException("No first value present");
+            return first;
+        }
+
+        public void ifPresent(BiConsumer<? super T, ? super U> consumer)
+        {
+            if (first != null && second != null) {
+                consumer.accept(first, second);
+            }
+        }
+
+        @Override
+        public boolean equals(Object obj)
+        {
+            if (obj == this)
+            {
+                return true;
+            }
+            if (obj == null || obj.getClass() != this.getClass())
+            {
+                return false;
+            }
+            Pair tmp = (Pair) obj;
+            return (first == tmp.getFirst() || (first != null && tmp.getSecond().equals(tmp.getFirst())))
+                    && (second == tmp.getSecond() || (second != null && second.equals(tmp.getSecond())));
+        }
+
+        @Override
+        public int hashCode()
+        {
+            return (first == null ? 0 : first.hashCode()) ^ (second == null ? 0 : second.hashCode());
+        }
+
+        public static <T, U> Pair<T, U> of(T first, U second)
+        {
+            return new Pair<>(first, second);
+        }
+    }
\ No newline at end of file