diff --git a/W9-李思彤-202506050313/Pair.java b/W9-李思彤-202506050313/Pair.java
deleted file mode 100644
index db3173f..0000000
--- a/W9-李思彤-202506050313/Pair.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package com.homework;
-
-public class Pair<K, V> {
-    private K key;
-    private V value;
-
-    public Pair(K key, V value) {
-        this.key = key;
-        this.value = value;
-    }
-
-    public void swap() {
-        K temp = key;
-        key = (K) value;
-        value = (V) temp;
-    }
-
-    public K getKey() {
-        return key;
-    }
-
-    public void setKey(K key) {
-        this.key = key;
-    }
-
-    public V getValue() {
-        return value;
-    }
-
-    public void setValue(V value) {
-        this.value = value;
-    }
-
-    @Override
-    public String toString() {
-        return "key: " + key + ", value: " + value;
-    }
-}
\ No newline at end of file