From d0d73569272ce1a7765c86242975b6986164f544 Mon Sep 17 00:00:00 2001
From: lollowerYT <77741489+lollowerYT@users.noreply.github.com>
Date: Wed, 5 Nov 2025 18:32:08 +0500
Subject: [PATCH] Implement Pair class with utility methods

---
 task01/src/com/example/task01/Pair.java | 52 ++++++++++++++++++++++++-
 1 file changed, 50 insertions(+), 2 deletions(-)

diff --git a/task01/src/com/example/task01/Pair.java b/task01/src/com/example/task01/Pair.java
index f6fb603b..fe49cd7b 100644
--- a/task01/src/com/example/task01/Pair.java
+++ b/task01/src/com/example/task01/Pair.java
@@ -1,5 +1,53 @@
 package com.example.task01;
 
-public class Pair {
-    // TODO напишите реализацию
+import java.util.Objects;
+import java.util.function.BiConsumer;
+
+public final class Pair<T, U> {
+    private final T first;
+    private final U second;
+
+    // приватный конструктор
+    private Pair(T first, U second) {
+        this.first = first;
+        this.second = second;
+    }
+
+    // статический фабричный метод
+    public static <T, U> Pair<T, U> of(T first, U second) {
+        return new Pair<>(first, second);
+    }
+
+    public T getFirst() {
+        return first;
+    }
+
+    public U getSecond() {
+        return second;
+    }
+
+    // аналог Optional.ifPresent, но для двух элементов
+    public void ifPresent(BiConsumer<? super T, ? super U> consumer) {
+        if (consumer != null) {
+            consumer.accept(first, second);
+        }
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (!(o instanceof Pair<?, ?> pair)) return false;
+        return Objects.equals(first, pair.first) &&
+               Objects.equals(second, pair.second);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(first, second);
+    }
+
+    @Override
+    public String toString() {
+        return "Pair[" + first + ", " + second + "]";
+    }
 }