2008服务器内存泄漏问题解决

try (Connection conn = DriverManager.getConnection(url, username, password);
     Statement stmt = conn.createStatement();
     ResultSet rs = stmt.executeQuery(query)) {
    // 处理结果集
} catch (SQLException e) {
    e.printStackTrace();
}

public class MyClass {
    private static List<Object> list = new ArrayList<>();

    public void addObject(Object obj) {
        list.add(obj);
    }

    public void clearList() {
        list.clear();
    }
}

WeakHashMap<Key, Value> cache = new WeakHashMap<>();

public class MemoryLeakExample {
    private static List<Object> list = new ArrayList<>();

    public void addObject(Object obj) {
        list.add(obj);
    }
}

public class MemoryLeakExample {
    private static List<WeakReference<Object>> list = new ArrayList<>();

    public void addObject(Object obj) {
        list.add(new WeakReference<>(obj));
    }
}