From 793aed998e45324d04872f09ad9c04a2b24321be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=87=B4=E4=BF=A1?= <zefeng.czf@alibaba-inc.com>
Date: Sun, 16 Mar 2025 16:43:43 +0800
Subject: [PATCH] test pmd

---
 src/main/java/pmd/Sample.java | 38 +++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/main/java/pmd/Sample.java

diff --git a/src/main/java/pmd/Sample.java b/src/main/java/pmd/Sample.java
new file mode 100644
index 00000000..7ca1dafa
--- /dev/null
+++ b/src/main/java/pmd/Sample.java
@@ -0,0 +1,38 @@
+public class Sample {
+    private int someValue;
+    
+    public Sample() {
+        // 空的构造函数
+    }
+
+    public void unusedMethod() {
+        // 这个方法没有被调用
+        System.out.println("This method is never used.");
+    }
+
+    public void doSomething() {
+        int value = 5; // 未被使用的局部变量
+        someValue = 10;
+        someValue = 20; // 覆盖了之前的赋值
+    }
+
+    public void longMethod() {
+        // 过长的方法，应该被分解
+        System.out.println("This is a very long method, and it should be split into smaller methods.");
+        System.out.println("It does too many things at once.");
+        System.out.println("It's hard to read and maintain.");
+        System.out.println("It's also not good for testing.");
+    }
+
+    public double divide(int a, int b) {
+        // 没有检查除数是否为零
+        return a / b;
+    }
+
+    public String toString() {
+        // 忽略了父类的 toString 方法
+        return "Sample{" +
+                "someValue=" + someValue +
+                '}';
+    }
+}
\ No newline at end of file