Revert "重构 (#162)"

This reverts commit 9a6a4eb.

src/main/java/com/github/hcsp/polymorphism/清炒菜心.java

@@ -1,20 +1,13 @@
 package com.github.hcsp.polymorphism;
 
-public class 清炒菜心 extends 菜 {
-    public 清炒菜心() {
-        super("清炒菜心");
-    }
-
-    @Override
-    public void 开始烹饪() {
+public class 清炒菜心 {
+    public void 做个清炒菜心() {
+        System.out.println("洗炒锅");
+        System.out.println("倒一点点油");
         System.out.println("放青菜");
         System.out.println("炒啊炒啊炒");
-    }
-
-    @Override
-    public void 放佐料() {
         System.out.println("放酱油");
         System.out.println("放盐");
+        System.out.println("香喷喷的清炒菜心出锅啦");
     }
-
 }

src/main/java/com/github/hcsp/polymorphism/煎牛排.java

@@ -1,29 +1,13 @@
 package com.github.hcsp.polymorphism;
 
-public class 煎牛排 extends 菜 {
-    public 煎牛排() {
-        super("煎牛排");
-    }
-
-    @Override
-    public void 倒油() {
-        System.out.println("倒油");
-    }
-
-    @Override
-    public void 洗锅() {
+public class 煎牛排 {
+    public void 煎个牛排() {
         System.out.println("洗煎锅");
-    }
-
-    @Override
-    public void 开始烹饪() {
+        System.out.println("倒油");
         System.out.println("放牛排");
         System.out.println("煎啊煎啊煎");
-    }
-
-    @Override
-    public void 放佐料() {
         System.out.println("放胡椒粉");
         System.out.println("放盐");
+        System.out.println("香喷喷的煎牛排出锅啦");
     }
 }

src/main/java/com/github/hcsp/polymorphism/菜.java

@@ -1,12 +1,6 @@
 package com.github.hcsp.polymorphism;
 
 public class 菜 {
-    private String name;
-
-    public 菜(String name) {
-        this.name = name;
-    }
-
     public void 做一个菜() {
         洗锅();
         倒油();
@@ -15,21 +9,13 @@ public class 菜 {
         出锅();
     }
 
-    public void 洗锅() {
-        System.out.println("洗炒锅");
-    }
+    public void 洗锅() {}
 
-    public void 倒油() {
-        System.out.println("倒一点点油");
-    }
+    public void 倒油() {}
 
-    public void 开始烹饪() {
-    }
+    public void 开始烹饪() {}
 
-    public void 放佐料() {
-    }
+    public void 放佐料() {}
 
-    public void 出锅() {
-        System.out.println("香喷喷的" + name + "出锅啦");
-    }
+    public void 出锅() {}
 }

src/main/java/com/github/hcsp/polymorphism/西红柿炒鸡蛋.java

@@ -1,24 +1,13 @@
 package com.github.hcsp.polymorphism;
 
-public class 西红柿炒鸡蛋 extends 菜 {
-    public 西红柿炒鸡蛋() {
-        super("西红柿炒鸡蛋");
-    }
-
-    @Override
-    public void 倒油() {
+public class 西红柿炒鸡蛋 {
+    public void 做个西红柿炒鸡蛋() {
+        System.out.println("洗炒锅");
         System.out.println("倒油");
-    }
-
-    @Override
-    public void 开始烹饪() {
         System.out.println("放鸡蛋");
         System.out.println("放西红柿");
         System.out.println("炒啊炒啊炒");
-    }
-
-    @Override
-    public void 放佐料() {
         System.out.println("放盐");
+        System.out.println("香喷喷的西红柿炒鸡蛋出锅啦");
     }
 }