From ce346de669050a362a163fd4cabbec3899f6303a Mon Sep 17 00:00:00 2001
From: Lxh6688 <1272662790@qq.com>
Date: Thu, 15 Jul 2021 23:32:40 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B7=A5=E5=8E=82=E6=96=B9=E6=B3=95?=
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---
 .../java/com/github/hcsp/encapsulation/Cat.java     | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/github/hcsp/encapsulation/Cat.java b/src/main/java/com/github/hcsp/encapsulation/Cat.java
index 97eba15..1918258 100644
--- a/src/main/java/com/github/hcsp/encapsulation/Cat.java
+++ b/src/main/java/com/github/hcsp/encapsulation/Cat.java
@@ -18,7 +18,18 @@ public class Cat {
      * @param name 名字
      * @return 创建的猫
      */
-    public static Cat newCat(String name, int age) {}
+    private Cat(String name,int age){
+        this.name=name;
+        this.age=age;
+    }
+
+    public static Cat newCat(String name, int age) {
+        if(name == null || age< 0.2 || name.isEmpty()){
+            return INVALID_CAT;
+        }else{
+            return new Cat(name,age);
+        }
+    }
 
     public String getName() {
         return name;