From aaa61e68b2bf025b4c2b9afc06e20f67f96519be Mon Sep 17 00:00:00 2001
From: xiaoyu <admin@metaxiaoyu.com>
Date: Tue, 7 Dec 2021 13:42:59 +0800
Subject: [PATCH] add abstract interface

---
 .../demo/controller/AbstractController.java   | 31 +++++++++++++++++++
 .../demo/controller/ClassController.java      |  2 --
 .../com/example/demo/tool/CatAbstract.java    | 20 ++++++++++++
 .../com/example/demo/tool/CatInterface.java   | 11 +++++++
 .../com/example/demo/tool/CatInterface2.java  |  8 +++++
 .../com/example/demo/tool/TianjinCat.java     | 22 +++++++++++++
 .../java/com/example/demo/tool/TjCat.java     | 21 +++++++++++++
 7 files changed, 113 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/com/example/demo/controller/AbstractController.java
 create mode 100644 src/main/java/com/example/demo/tool/CatAbstract.java
 create mode 100644 src/main/java/com/example/demo/tool/CatInterface.java
 create mode 100644 src/main/java/com/example/demo/tool/CatInterface2.java
 create mode 100644 src/main/java/com/example/demo/tool/TianjinCat.java
 create mode 100644 src/main/java/com/example/demo/tool/TjCat.java

diff --git a/src/main/java/com/example/demo/controller/AbstractController.java b/src/main/java/com/example/demo/controller/AbstractController.java
new file mode 100644
index 0000000..3206983
--- /dev/null
+++ b/src/main/java/com/example/demo/controller/AbstractController.java
@@ -0,0 +1,31 @@
+package com.example.demo.controller;
+
+import com.example.demo.tool.TianjinCat;
+import com.example.demo.tool.TjCat;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 抽象
+ */
+@RestController
+@RequestMapping("/")
+public class AbstractController {
+
+    @GetMapping("/abstract")
+    public void abstractDemo(){
+        TjCat tjCat = new TjCat();
+        tjCat.run();
+        tjCat.jump();
+        tjCat.kuaiban();
+    }
+
+    @GetMapping("/interface")
+    public void interfaceDemo(){
+        TianjinCat tianjinCat = new TianjinCat();
+        tianjinCat.eat();
+        tianjinCat.jump();
+        tianjinCat.run();
+    }
+}
diff --git a/src/main/java/com/example/demo/controller/ClassController.java b/src/main/java/com/example/demo/controller/ClassController.java
index c2c2f13..f6a826d 100644
--- a/src/main/java/com/example/demo/controller/ClassController.java
+++ b/src/main/java/com/example/demo/controller/ClassController.java
@@ -33,7 +33,5 @@ public class ClassController {
         String catName =  ragdollCat.formatName();
         System.out.print(catName);
         System.out.print("\r\n");
-
-        System.out.print
     }
 }
diff --git a/src/main/java/com/example/demo/tool/CatAbstract.java b/src/main/java/com/example/demo/tool/CatAbstract.java
new file mode 100644
index 0000000..af067a1
--- /dev/null
+++ b/src/main/java/com/example/demo/tool/CatAbstract.java
@@ -0,0 +1,20 @@
+package com.example.demo.tool;
+
+/**
+ * 猫的抽象类
+ */
+abstract class CatAbstract {
+
+    //构造函数
+    CatAbstract(){
+        System.out.print("我是抽象类的构造函数\r\n");
+    }
+
+    abstract public void jump(); //抽象方法，没有具体实现
+
+     public void run(){
+         System.out.print("我是抽象类的函数，跑起来了！\r\n");
+     }
+
+
+}
diff --git a/src/main/java/com/example/demo/tool/CatInterface.java b/src/main/java/com/example/demo/tool/CatInterface.java
new file mode 100644
index 0000000..a523b8d
--- /dev/null
+++ b/src/main/java/com/example/demo/tool/CatInterface.java
@@ -0,0 +1,11 @@
+package com.example.demo.tool;
+
+/**
+ * 猫的接口类
+ */
+interface CatInterface {
+
+    void run(); //由于必须所有方法都是public,所以public没必要写上
+
+    void jump();
+}
diff --git a/src/main/java/com/example/demo/tool/CatInterface2.java b/src/main/java/com/example/demo/tool/CatInterface2.java
new file mode 100644
index 0000000..9105fa4
--- /dev/null
+++ b/src/main/java/com/example/demo/tool/CatInterface2.java
@@ -0,0 +1,8 @@
+package com.example.demo.tool;
+
+interface CatInterface2 {
+
+    int tailNum = 1;
+
+    void eat();
+}
diff --git a/src/main/java/com/example/demo/tool/TianjinCat.java b/src/main/java/com/example/demo/tool/TianjinCat.java
new file mode 100644
index 0000000..0bbbff4
--- /dev/null
+++ b/src/main/java/com/example/demo/tool/TianjinCat.java
@@ -0,0 +1,22 @@
+package com.example.demo.tool;
+
+/**
+ * 接口类的实现，支持实现多接口
+ */
+public class TianjinCat implements CatInterface,CatInterface2 {
+    @Override
+    public void run() {
+        System.out.print("我可跑了啊\r\n");
+    }
+
+    @Override
+    public void jump() {
+        System.out.print("我有"+ String.valueOf(tailNum) +"条尾巴！\r\n");
+        System.out.print("我可跳了啊\r\n");
+    }
+
+    @Override
+    public void eat() {
+        System.out.print("我可吃了啊\r\n");
+    }
+}
diff --git a/src/main/java/com/example/demo/tool/TjCat.java b/src/main/java/com/example/demo/tool/TjCat.java
new file mode 100644
index 0000000..8b87106
--- /dev/null
+++ b/src/main/java/com/example/demo/tool/TjCat.java
@@ -0,0 +1,21 @@
+package com.example.demo.tool;
+
+/**
+ * 天津猫是抽象猫的实现，我家的猫就是从天津拿来的
+ */
+public class TjCat extends CatAbstract {
+
+    @Override
+    public void jump() {
+        System.out.print("我可跳了啊\r\n");
+    }
+
+    public void kuaiban(){
+        System.out.print("我可会打快板\r\n");
+    }
+
+    @Override
+    public void run() {
+        super.run();
+    }
+}
\ No newline at end of file
-- 
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