diff --git a/Bird.java b/Bird.java
new file mode 100644
index 0000000..787a654
--- /dev/null
+++ b/Bird.java
@@ -0,0 +1,48 @@
+package 鸟类与企鹅（LSP）;
+
+
+/**
+ * @author 方初阳
+ * @version 1.0
+ * @created 23-10月-2025 20:28:08
+ */
+class Bird {
+
+	private int age;
+	private String gender;
+	private String species;
+
+	public Bird(){
+
+	}
+
+	public void finalize() throws Throwable {
+
+	}
+	/**
+	 * 楦熺被杩涢琛屼负锛堟墍鏈夐笩鍏辨湁鐨勮涓猴級
+	 */
+	public void eat(){
+
+	}
+
+	public int getAge(){
+		return 0;
+	}
+
+	public String getSpecies(){
+		return "";
+	}
+
+	/**
+	 * 
+	 * @param s
+	 */
+	public void setAge(int s){
+
+	}
+
+	public String toString(){
+		return "";
+	}
+}//end Bird
\ No newline at end of file