From 28e266fe88aeaa48bfe8cfa9a4a460347e11d2ce Mon Sep 17 00:00:00 2001
From: Zhoutianyu <1941587995@qq.com>
Date: Thu, 7 May 2026 14:30:39 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20'w9'?=
MIME-Version: 1.0
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---
 w9 | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 w9

diff --git a/w9 b/w9
new file mode 100644
index 0000000..64d7dc3
--- /dev/null
+++ b/w9
@@ -0,0 +1,28 @@
+public class Article {
+    private String title;
+    private String url;
+    private String author;        // 新增
+    private String publishDate;   // 新增
+
+    // 构造器、getter/setter 相应更新
+}
+import java.util.ArrayList;
+import java.util.List;
+
+public class HistoryCommand {
+    private List<String> commandHistory = new ArrayList<>();
+
+    public void addCommand(String cmd) {
+        commandHistory.add(cmd);
+    }
+
+    public List<String> getCommandHistory() {
+        return new ArrayList<>(commandHistory); // 返回副本，防止外部修改
+    }
+
+    public void printHistory() {
+        for (int i = 0; i < commandHistory.size(); i++) {
+            System.out.println((i+1) + ": " + commandHistory.get(i));
+        }
+    }
+}
\ No newline at end of file