diff --git a/w8/AI协助记录.txt b/w8/AI协助记录.txt
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+1.利用AI复习泛型相关知识
+2.查询的静态方法的相关知识，了解了静态方法是使用 static 关键字修饰的方法，它属于类本身 ，而不是类的实例
+3.查询swap方法的使用场景，用于交换两个数据的位置或值
+4.了解了静态方法的使用原则，如果方法不依赖于对象的状态，就使用静态方法
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diff --git a/w8/Fanxing.java b/w8/Fanxing.java
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+++ b/w8/Fanxing.java
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+public class Fanxing<K, V> {
+    private K key;
+    private V value;
+
+    public Fanxing(K key, V value) {
+        this.key = key;
+        this.value = value;
+    }
+
+    public K getKey() {
+        return key;
+    }
+
+    public V getValue() {
+        return value;
+    }
+
+    public void setKey(K key) {
+        this.key = key;
+    }
+
+    public void setValue(V value) {
+        this.value = value;
+    }
+
+    public static <K, V> Fanxing<V, K> swap(Fanxing<K, V> pair) {
+        return new Fanxing<>(pair.getValue(), pair.getKey());
+    }
+}
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diff --git a/w8/Fanxxingtest.java b/w8/Fanxxingtest.java
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+++ b/w8/Fanxxingtest.java
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+public class Fanxingtest {
+    public static void main(String[] args) {
+        Fanxing<Integer, String> fanxing = new Fanxing<>(888, "Fanxingtest");
+        System.out.println("原始Pair:");
+        System.out.println("Key: " + fanxing.getKey());
+        System.out.println("Value: " + fanxing.getValue());
+        
+        Fanxing<String, Integer> swapped = Fanxing.swap(fanxing);
+        System.out.println("\n交换后的Pair:");
+        System.out.println("Key: " + swapped.getKey());
+        System.out.println("Value: " + swapped.getValue());
+    }
+}
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diff --git a/w8/程序运行截图.png b/w8/程序运行截图.png
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